Hawaii business filing dates, 2027

State-level due dates for businesses filing in Hawaii. Every line links to the official page it came from, with the date that page was read. Where no official source has been verified, the line says so instead of showing a date.

Add to Google Calendar Add to Apple or Outlook Download .ics53 dated lines in the calendar file · sources last read 2026-09-23

Income / franchise tax return

3 dates

The annual return for the business’s tax year, and in franchise-tax states the report that keeps the entity in good standing. Which form and which date depend on the entity type and the tax year. Where the source grants an extension, it extends the time to file; the source says whether it also extends the time to pay.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
Form N-20 partnership returncalendar-year partnership Source text “For partnership, corporation, and fiduciary returns, on the 20th day of the fourth month following the close of the tax year.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toA partnership's Hawaii return is due the 20th day of the 4th month after its tax year closes.	Due ruleForm N-20: 20th day of the 4th month after the tax year ends	2027 dates Apr 20TueForm N-20	Source · retrievedtax.hawaii.gov/faq/ (official source, opens in a new tab)retrieved 2026-09-23
Form N-30 corporation income tax returncalendar-year C corporation Source text “For partnership, corporation, and fiduciary returns, on the 20th day of the fourth month following the close of the tax year.”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Form N-30, Corporation Income Tax Return”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toA corporation's Hawaii return (Form N-30, Corporation Income Tax Return) is due the 20th day of the 4th month after its tax year closes. The source states no weekend rule, so the stated date is shown.	Due ruleForm N-30: 20th day of the 4th month after the tax year ends	2027 dates Apr 20TueForm N-30	Source · retrievedtax.hawaii.gov/faq/ (official source, opens in a new tab)retrieved 2026-09-23tax.hawaii.gov/disaster-relief/ (official source, opens in a new tab)retrieved 2026-09-23
Form N-35 S corporation returncalendar-year S corporation Source text “For partnership, corporation, and fiduciary returns, on the 20th day of the fourth month following the close of the tax year.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toAn S corporation's Hawaii return is due the 20th day of the 4th month after its tax year closes.	Due ruleForm N-35: 20th day of the 4th month after the tax year ends	2027 dates Apr 20TueForm N-35	Source · retrievedtax.hawaii.gov/faq/ (official source, opens in a new tab)retrieved 2026-09-23

Estimated tax

12 dates

Installments paid during the year toward the year’s tax. Whether a business must pay them depends on its expected liability, which this page cannot know; the lines show when installments fall due for those who must.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
Corporate estimated tax (N-201V)calendar-year S corporation or C corporation Source text “Due dates for fiscal year taxpayers are the 20th day of the 4th, 6th, and 9th months of your current fiscal year and the 1st month of the following fiscal year. If the due date for an estimated tax payment falls on a Saturday, Sunday, or legal holiday, the payment will be on time if you make it on the next day that is not a Saturday, Sunday, or a holiday.”verbatim · files.hawaii.gov · retrieved 2026-09-23 “In most cases, you must pay estimated tax for the current year if you expect to owe $500 or more”verbatim · files.hawaii.gov · retrieved 2026-09-23	Applies toA corporation expecting to owe $500 or more pays estimated tax in four installments: the 20th day of the 4th, 6th and 9th months of its tax year and of the 1st month after it (April 20, June 20, September 20, January 20 for calendar-year filers). A Saturday, Sunday or legal-holiday date moves to the next day that is none of those. Electing pass-through entities have their own line.	Due rule1st installment: 20th day of the 4th month of the tax year; 2nd installment: 20th day of the 6th month of the tax year; 3rd installment: 20th day of the 9th month of the tax year; 4th installment: 20th day of the month after the tax year endsA date on a weekend moves to the next business day; state holidays are not compiled.	2027 dates Jan 20Wed4th installment Apr 20Tue1st installment Jun 21Mon2nd installment · moved from Sun Jun 20 Sep 20Mon3rd installment State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.	Source · retrievedfiles.hawaii.gov/tax/legal/taxfacts/tf2020-1.pdf (official source, opens in a new tab)retrieved 2026-09-23
Individual estimated tax (N-1)calendar-year Schedule C filer Source text “You can pay all of your estimated tax by April 20 of the current year or in four equal amounts by the dates shown below.”verbatim · files.hawaii.gov · retrieved 2026-09-23 “1st Payment \| April 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23 “2nd Payment \| June 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23 “3rd Payment \| September 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23 “4th Payment \| January 20, next year”verbatim · files.hawaii.gov · retrieved 2026-09-23 “You do not have to make the payment due January 20 of the following year if you file your current year tax return by January 31 of the following year and pay the entire balance due with your return. Due dates for fiscal year taxpayers are the 20th day of the 4th, 6th, and 9th months of your current fiscal year and the 1st month of the following fiscal year. If the due date for an estimated tax payment falls on a Saturday, Sunday, or legal holiday, the payment will be on time if you make it on the next day that is not a Saturday, Sunday, or a holiday.”verbatim · files.hawaii.gov · retrieved 2026-09-23	Applies toAn individual (including a sole proprietor) required to pay Hawaii estimated tax pays in four equal amounts by the 20th day of the 4th, 6th and 9th months of the tax year and the 1st month of the next (April 20, June 20, September 20 and January 20 for calendar-year filers). The January payment is not needed if the return is filed and the balance paid by January 31. A Saturday, Sunday or holiday date moves to the next day that is none of those.	Due rule1st payment: 20th day of the 4th month of the tax year; 2nd payment: 20th day of the 6th month of the tax year; 3rd payment: 20th day of the 9th month of the tax year; 4th payment (not needed if return filed and paid in full by Jan 31): 20th day of the 13th month of the tax yearA date on a weekend moves to the next business day; state holidays are not compiled.	2027 dates Jan 20Wed4th payment (not needed if return filed and paid in full by Jan 31) Apr 20Tue1st payment Jun 21Mon2nd payment · moved from Sun Jun 20 Sep 20Mon3rd payment State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.	Source · retrievedfiles.hawaii.gov/tax/legal/taxfacts/tf2019-3.pdf (official source, opens in a new tab)retrieved 2026-09-23
Electing pass-through entity estimated taxcalendar-year S corporation or partnership Source text “For tax years 2024 and beyond, electing PTEs are required to make estimated tax payments in four equal amounts as follows:”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “1st Payment \| 4/20 of the current year \| 20th day of the 4th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “2nd Payment \| 6/20 of the current year \| 20th day of the 6th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “3rd Payment \| 9/20 of the current year \| 20th day of the 9th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “4th Payment \| 1/20 of the next year \| 20th day of the 1st month following the close of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toFrom tax year 2024, an electing pass-through entity pays estimated tax in four equal amounts: the 20th day of the 4th, 6th and 9th months of its tax year and of the 1st month after it (April 20, June 20, September 20, January 20 for calendar-year filers).	Due rule1st payment: 20th day of the 4th month of the tax year; 2nd payment: 20th day of the 6th month of the tax year; 3rd payment: 20th day of the 9th month of the tax year; 4th payment: 20th day of the month after the tax year ends	2027 dates Jan 20Wed4th payment Apr 20Tue1st payment Jun 20Sun†2nd payment Sep 20Mon3rd payment † Falls on a Sunday; the source states no weekend rule.	Source · retrievedtax.hawaii.gov/pte/ (official source, opens in a new tab)retrieved 2026-09-23

Corporate estimated tax (N-201V)calendar-year S corporation or C corporation

Source text

“Due dates for fiscal year taxpayers are the 20th day of the 4th, 6th, and 9th months of your current fiscal year and the 1st month of the following fiscal year. If the due date for an estimated tax payment falls on a Saturday, Sunday, or legal holiday, the payment will be on time if you make it on the next day that is not a Saturday, Sunday, or a holiday.”verbatim · files.hawaii.gov · retrieved 2026-09-23

“In most cases, you must pay estimated tax for the current year if you expect to owe $500 or more”verbatim · files.hawaii.gov · retrieved 2026-09-23

Applies toA corporation expecting to owe $500 or more pays estimated tax in four installments: the 20th day of the 4th, 6th and 9th months of its tax year and of the 1st month after it (April 20, June 20, September 20, January 20 for calendar-year filers). A Saturday, Sunday or legal-holiday date moves to the next day that is none of those. Electing pass-through entities have their own line.

Due rule1st installment: 20th day of the 4th month of the tax year; 2nd installment: 20th day of the 6th month of the tax year; 3rd installment: 20th day of the 9th month of the tax year; 4th installment: 20th day of the month after the tax year endsA date on a weekend moves to the next business day; state holidays are not compiled.

2027 dates

Jan 20Wed4th installment
Apr 20Tue1st installment
Jun 21Mon2nd installment · moved from Sun Jun 20
Sep 20Mon3rd installment

State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.

Source · retrievedfiles.hawaii.gov/tax/legal/taxfacts/tf2020-1.pdfretrieved 2026-09-23

Individual estimated tax (N-1)calendar-year Schedule C filer

Source text

“You can pay all of your estimated tax by April 20 of the current year or in four equal amounts by the dates shown below.”verbatim · files.hawaii.gov · retrieved 2026-09-23

“1st Payment | April 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23

“2nd Payment | June 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23

“3rd Payment | September 20, current year”verbatim · files.hawaii.gov · retrieved 2026-09-23

“4th Payment | January 20, next year”verbatim · files.hawaii.gov · retrieved 2026-09-23

“You do not have to make the payment due January 20 of the following year if you file your current year tax return by January 31 of the following year and pay the entire balance due with your return. Due dates for fiscal year taxpayers are the 20th day of the 4th, 6th, and 9th months of your current fiscal year and the 1st month of the following fiscal year. If the due date for an estimated tax payment falls on a Saturday, Sunday, or legal holiday, the payment will be on time if you make it on the next day that is not a Saturday, Sunday, or a holiday.”verbatim · files.hawaii.gov · retrieved 2026-09-23

Applies toAn individual (including a sole proprietor) required to pay Hawaii estimated tax pays in four equal amounts by the 20th day of the 4th, 6th and 9th months of the tax year and the 1st month of the next (April 20, June 20, September 20 and January 20 for calendar-year filers). The January payment is not needed if the return is filed and the balance paid by January 31. A Saturday, Sunday or holiday date moves to the next day that is none of those.

Due rule1st payment: 20th day of the 4th month of the tax year; 2nd payment: 20th day of the 6th month of the tax year; 3rd payment: 20th day of the 9th month of the tax year; 4th payment (not needed if return filed and paid in full by Jan 31): 20th day of the 13th month of the tax yearA date on a weekend moves to the next business day; state holidays are not compiled.

2027 dates

Jan 20Wed4th payment (not needed if return filed and paid in full by Jan 31)
Apr 20Tue1st payment
Jun 21Mon2nd payment · moved from Sun Jun 20
Sep 20Mon3rd payment

State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.

Source · retrievedfiles.hawaii.gov/tax/legal/taxfacts/tf2019-3.pdfretrieved 2026-09-23

Electing pass-through entity estimated taxcalendar-year S corporation or partnership

Source text

“For tax years 2024 and beyond, electing PTEs are required to make estimated tax payments in four equal amounts as follows:”verbatim · tax.hawaii.gov · retrieved 2026-09-23

“1st Payment | 4/20 of the current year | 20th day of the 4th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23

“2nd Payment | 6/20 of the current year | 20th day of the 6th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23

“3rd Payment | 9/20 of the current year | 20th day of the 9th month of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23

“4th Payment | 1/20 of the next year | 20th day of the 1st month following the close of the fiscal year”verbatim · tax.hawaii.gov · retrieved 2026-09-23

Applies toFrom tax year 2024, an electing pass-through entity pays estimated tax in four equal amounts: the 20th day of the 4th, 6th and 9th months of its tax year and of the 1st month after it (April 20, June 20, September 20, January 20 for calendar-year filers).

Due rule1st payment: 20th day of the 4th month of the tax year; 2nd payment: 20th day of the 6th month of the tax year; 3rd payment: 20th day of the 9th month of the tax year; 4th payment: 20th day of the month after the tax year ends

2027 dates

Jan 20Wed4th payment
Apr 20Tue1st payment
Jun 20Sun†2nd payment
Sep 20Mon3rd payment

† Falls on a Sunday; the source states no weekend rule.

Source · retrievedtax.hawaii.gov/pte/retrieved 2026-09-23

Withholding

17 dates · 1 not dated yet

Returns and deposits of income tax withheld from employees’ wages. The agency assigns each employer a deposit frequency, usually from its past liability, so the dates differ by frequency.

Why no dates: Every date shown here is checked against its official source.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
Withholding tax paymentsquarterly withholding filer Source text “$5,000 – $40,000 \| Monthly \| 15th day of the month following the close of the preceding monthly period”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Greater than $40,000 \| Semi-weekly \| Wednesday: If taxes are withheld for wages paid the immediately preceding Wed, Th, or Friday Friday: If taxes are withheld for wages paid the preceding Saturday, Sunday, Monday, or Tuesday”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Less than $5,000 \| Quarterly \| 15th day of the month following the close of the preceding quarter (April 15, July 15, October 15, January 15)”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toPayment frequency follows withholding liability: over $40,000 semiweekly (Wednesday or Friday after payday); $5,000 to $40,000 monthly, by the 15th of the next month; under $5,000 quarterly, by the 15th of the month after the quarter.	Due ruleQuarterly withholding payment: 15th day of the month after the quarter ends	2027 dates Jan 15FriQuarterly withholding payment Apr 15ThuQuarterly withholding payment Jul 15ThuQuarterly withholding payment Oct 15FriQuarterly withholding payment	Source · retrievedtax.hawaii.gov/geninfo/a2_b2_4empl_whhold/ (official source, opens in a new tab)retrieved 2026-09-23
Withholding tax paymentsmonthly withholding filer Source text “$5,000 – $40,000 \| Monthly \| 15th day of the month following the close of the preceding monthly period”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Greater than $40,000 \| Semi-weekly \| Wednesday: If taxes are withheld for wages paid the immediately preceding Wed, Th, or Friday Friday: If taxes are withheld for wages paid the preceding Saturday, Sunday, Monday, or Tuesday”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Less than $5,000 \| Quarterly \| 15th day of the month following the close of the preceding quarter (April 15, July 15, October 15, January 15)”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toPayment frequency follows withholding liability: over $40,000 semiweekly (Wednesday or Friday after payday); $5,000 to $40,000 monthly, by the 15th of the next month; under $5,000 quarterly, by the 15th of the month after the quarter.	Due ruleMonthly withholding payment: 15th day of the month after the month ends	2027 dates Jan 15FriMonthly withholding payment Feb 15MonMonthly withholding payment Mar 15MonMonthly withholding payment Apr 15ThuMonthly withholding payment May 15Sat†Monthly withholding payment Jun 15TueMonthly withholding payment Jul 15ThuMonthly withholding payment Aug 15Sun†Monthly withholding payment Sep 15WedMonthly withholding payment Oct 15FriMonthly withholding payment Nov 15MonMonthly withholding payment Dec 15WedMonthly withholding payment † Falls on a Saturday; the source states no weekend rule. Falls on a Sunday; the source states no weekend rule.	Source · retrievedtax.hawaii.gov/geninfo/a2_b2_4empl_whhold/ (official source, opens in a new tab)retrieved 2026-09-23
Forms W-2 / HW-2 to the Department Source text “Beginning Tax Year 2020, the Form HW-3, Employer’s Return and Reconciliation of Hawaii Income Tax Withheld from Wages, is not required. Form HW-30, a simple transmittal for W-2 or HW-2 forms, is only required for paper submissions of W-2 or HW-2 forms. Effective January 1, 2022, Form W-2/HW-2 must be filed with the Department of Taxation (Department) and furnished to the employee no later than January 31st following the close of the calendar year.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toEmployers file Forms W-2 or HW-2 with the Department of Taxation, and furnish them to employees, by January 31 after the calendar year. Form HW-3 is no longer required.	Due ruleForms W-2 / HW-2: January 31 of the year after the calendar year ends	2027 dates Jan 31SunForms W-2 / HW-2 Falls on a Sunday; the source states no weekend rule.	Source · retrievedtax.hawaii.gov/geninfo/a2_b2_4empl_whhold/ (official source, opens in a new tab)retrieved 2026-09-23
Withholding tax paymentssemiweekly withholding filer Source text “$5,000 – $40,000 \| Monthly \| 15th day of the month following the close of the preceding monthly period”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Greater than $40,000 \| Semi-weekly \| Wednesday: If taxes are withheld for wages paid the immediately preceding Wed, Th, or Friday Friday: If taxes are withheld for wages paid the preceding Saturday, Sunday, Monday, or Tuesday”verbatim · tax.hawaii.gov · retrieved 2026-09-23 “Less than $5,000 \| Quarterly \| 15th day of the month following the close of the preceding quarter (April 15, July 15, October 15, January 15)”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toPayment frequency follows withholding liability: over $40,000 semiweekly (Wednesday or Friday after payday); $5,000 to $40,000 monthly, by the 15th of the next month; under $5,000 quarterly, by the 15th of the month after the quarter.	Due ruleSemiweekly withholding payment: payday on Wednesday, Thursday or Friday: the following Wednesday; payday on Saturday through Tuesday: the following Friday	2027 datesOne date per payday; not in the .ics	Source · retrievedtax.hawaii.gov/geninfo/a2_b2_4empl_whhold/ (official source, opens in a new tab)retrieved 2026-09-23
Withholding tax paymentssemiweekly withholding filer	Applies toPayment frequency follows withholding liability: over $40,000 semiweekly (Wednesday or Friday after payday); $5,000 to $40,000 monthly, by the 15th of the next month; under $5,000 quarterly, by the 15th of the month after the quarter.	Due ruleUnsupported	2027 datesNot dated until the client's profile answers: pay cadence.	Source · retrievedNo verified source on file

Unemployment insurance

4 dates

Employer contribution and wage reports for unemployment insurance: the state program, and FUTA at the federal level.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
Quarterly wage and contribution report (UC-B6) Source text “are required to submit Form UC-B6, Quarterly Wage, Contribution and Employment and Training Assessment Report, on or before the last day of the month following the close of the calendar quarter as follows: First quarter ends March 31: due no later than April 30 Second quarter ends June 30: due no later than July 31 Third quarter ends September 30: due no later than October 31 Fourth quarter ends December 31: due no later than January 31”verbatim · labor.hawaii.gov · retrieved 2026-09-23	Applies toAn employer the preparer lists as a quarterly Hawaii unemployment-insurance filer files Form UC-B6 by the last day of the month after each quarter (April 30, July 31, October 31, January 31). The source states no weekend rule, so the stated date is shown.	Due ruleForm UC-B6: last day of the month after the quarter ends	2027 dates Jan 31Sun†Form UC-B6 Apr 30FriForm UC-B6 Jul 31Sat†Form UC-B6 Oct 31Sun†Form UC-B6 † Falls on a Sunday; the source states no weekend rule. Falls on a Saturday; the source states no weekend rule.	Source · retrievedlabor.hawaii.gov/ui/test-handbook-for-employers/ (official source, opens in a new tab)retrieved 2026-09-23

Quarterly wage and contribution report (UC-B6)

Source text

“are required to submit Form UC-B6, Quarterly Wage, Contribution and Employment and Training Assessment Report, on or before the last day of the month following the close of the calendar quarter as follows: First quarter ends March 31: due no later than April 30 Second quarter ends June 30: due no later than July 31 Third quarter ends September 30: due no later than October 31 Fourth quarter ends December 31: due no later than January 31”verbatim · labor.hawaii.gov · retrieved 2026-09-23

Applies toAn employer the preparer lists as a quarterly Hawaii unemployment-insurance filer files Form UC-B6 by the last day of the month after each quarter (April 30, July 31, October 31, January 31). The source states no weekend rule, so the stated date is shown.

Due ruleForm UC-B6: last day of the month after the quarter ends

2027 dates

Jan 31Sun†Form UC-B6
Apr 30FriForm UC-B6
Jul 31Sat†Form UC-B6
Oct 31Sun†Form UC-B6

† Falls on a Sunday; the source states no weekend rule. Falls on a Saturday; the source states no weekend rule.

Source · retrievedlabor.hawaii.gov/ui/test-handbook-for-employers/retrieved 2026-09-23

Sales and use tax

17 dates

Returns for sales and use tax collected under a permit. The agency assigns each permit holder a filing frequency; the dates differ by frequency.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
Periodic general excise tax return (G-45)quarterly filer Source text “Deadline to file Form G-45 is 20 days after the tax period ends. If the deadline falls on a weekend or holiday, it will be due on the next business day. If Expected Annual GET Liability ≤ $2000, then file Semi-Annually A semi-annual tax period covers 6 months. For example, a semi-annual return for a January to June period is due July 20th. Taxpayers may submit a paper return or file online at Hawaii Tax Online (recommended). If Expected Annual GET Liability ≤ $4000, then file Quarterly A quarterly tax period covers 3 months. For example, a quarterly return for a January to March period is due April 20th. Taxpayers may submit a paper return or file online at Hawaii Tax Online (recommended). If Expected Annual GET Liability > $4000, then file Monthly A monthly tax period covers 1 month. For example, a monthly return for January is due February 20th.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toHawaii has a general excise tax (GET) instead of a sales tax; register it here as the Hawaii sales-tax registration. Form G-45 is due 20 days after each monthly, quarterly or semiannual period (monthly over $4,000 expected annual GET, quarterly up to $4,000, semiannually up to $2,000). A weekend or holiday date moves to the next business day. Semiannual periods are not dated here.	Due ruleForm G-45: 20 days after the quarter endsA date on a weekend moves to the next business day; state holidays are not compiled.	2027 dates Jan 20WedForm G-45 Apr 20TueForm G-45 Jul 20TueForm G-45 Oct 20WedForm G-45 State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.	Source · retrievedtax.hawaii.gov/get/ (official source, opens in a new tab)retrieved 2026-09-23
Periodic general excise tax return (G-45)monthly filer Source text “Deadline to file Form G-45 is 20 days after the tax period ends. If the deadline falls on a weekend or holiday, it will be due on the next business day. If Expected Annual GET Liability ≤ $2000, then file Semi-Annually A semi-annual tax period covers 6 months. For example, a semi-annual return for a January to June period is due July 20th. Taxpayers may submit a paper return or file online at Hawaii Tax Online (recommended). If Expected Annual GET Liability ≤ $4000, then file Quarterly A quarterly tax period covers 3 months. For example, a quarterly return for a January to March period is due April 20th. Taxpayers may submit a paper return or file online at Hawaii Tax Online (recommended). If Expected Annual GET Liability > $4000, then file Monthly A monthly tax period covers 1 month. For example, a monthly return for January is due February 20th.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toHawaii has a general excise tax (GET) instead of a sales tax; register it here as the Hawaii sales-tax registration. Form G-45 is due 20 days after each monthly, quarterly or semiannual period (monthly over $4,000 expected annual GET, quarterly up to $4,000, semiannually up to $2,000). A weekend or holiday date moves to the next business day. Semiannual periods are not dated here.	Due ruleForm G-45: 20 days after the month endsA date on a weekend moves to the next business day; state holidays are not compiled.	2027 dates Jan 20WedForm G-45 Feb 22MonForm G-45 · moved from Sat Feb 20 Mar 22MonForm G-45 · moved from Sat Mar 20 Apr 20TueForm G-45 May 20ThuForm G-45 Jun 21MonForm G-45 · moved from Sun Jun 20 Jul 20TueForm G-45 Aug 20FriForm G-45 Sep 20MonForm G-45 Oct 20WedForm G-45 Nov 22MonForm G-45 · moved from Sat Nov 20 Dec 20MonForm G-45 State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.	Source · retrievedtax.hawaii.gov/get/ (official source, opens in a new tab)retrieved 2026-09-23
Annual general excise tax return (G-49)calendar-year filer Source text “All taxpayers must file form G-49 annually. Deadline to file Form G-49 is the 20th day of the fourth month following your tax year end. If the deadline falls on a weekend or holiday, it will be due on the next business day. For example, calendar year (January-December) filers must file by April 20th.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toEvery GET taxpayer files Form G-49 by the 20th day of the 4th month after its tax year ends (April 20 for calendar-year filers); a weekend or holiday date moves to the next business day.	Due ruleForm G-49: 20th day of the 4th month after the tax year endsA date on a weekend moves to the next business day; state holidays are not compiled.	2027 dates Apr 20TueForm G-49 State legal holidays are not compiled: if this date is a state holiday, the deadline moves to the next business day.	Source · retrievedtax.hawaii.gov/get/ (official source, opens in a new tab)retrieved 2026-09-23
No separate Hawaii sales tax Source text “Hawaii does not have a sales tax; instead, we have the GET, which is assessed on all business activities.”verbatim · tax.hawaii.gov · retrieved 2026-09-23	Applies toHawaii has no sales tax; the general excise tax applies to business activities instead.	Due ruleNo date: see the source text	2027 dates—	Source · retrievedtax.hawaii.gov/get/faq/ (official source, opens in a new tab)retrieved 2026-09-23

Annual report

no fixed date

The annual or biennial report an entity files with the Secretary of State (or its equivalent) to stay in good standing. Some are keyed to the month the entity was formed.

Obligation	Applies to	Due rule	2027 dates	Source · retrieved
DCCA annual business report Source text “The annual report filing period is related to the business entity’s registration date and can be filed at any time during the quarter in which the filing is due. The filing quarters are as follows: first quarter is January through March; second quarter is April through June; third quarter is July through September; fourth quarter is October through December.”verbatim · cca.hawaii.gov · retrieved 2026-09-23	Applies toThe annual business report is filed during the calendar quarter that contains the entity's registration date (January to March, April to June, July to September, or October to December) and is late after that quarter ends. The quarter is not computed here.	Due ruleNo date: see the source text	2027 dates—	Source · retrievedcca.hawaii.gov/first-quarter-hawai%CA%BBi-annual-business-reports-due/ (official source, opens in a new tab)retrieved 2026-09-23

Dates are computed from the linked pages as they read on each retrieval date. Agencies change their pages, and the IRS postpones deadlines after disasters; confirm with the source before filing.

Tracking these for a list of clients? FilingDates builds each client’s calendar from the same rules, with every date linked to its source.