Hawaii Income Tax Filing Deadlines by Tax Year

The majority of deadlines listed here are for the current tax year; some apply to upcoming tax years and some are IRS or federal deadlines. Get your IRS and GA taxes done together on eFile.com - you can only e-file a GA return with your federal return, you cannot e-file a Georgia return by itself anywhere. StartIT now and eFileIT.

Deadline

Type

Description

Prepare, eFile, Download
HI + IRS Tax Return

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Start Federal and Hawaii Tax Returns

April 15, 2024

2023 Income Tax Return

Prepare and e-file a Federal (Due Date April 15, 2024) and Hawaii State Individual Tax Return (Due Date April 15, 2024) by April 15, 2024 - eFileIT.

April 15, 2024

2023 Income Tax Extension

See Hawaii Income Tax Extension Details.

October 15, 2024

Tax Year 2023
Income Tax Return after the April 15, 2024 Hawaii Tax Extension

Last day to e-File a 2023 Hawaii State Income Tax Return for Tax Extension Filers and late eFilers. You can only eFile (to file by paper see below) Hawaii Income Tax Return together with an IRS Tax Return - eFileIT.

October 15, 2024 via mail-in Forms.
Forms and mailing addresses below

Tax Year 2023
Income Tax Return after the April 15, 2024 Hawaii Tax Extension

Deadline for taxpayers who got a HI Tax Extension to file their Hawaii Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed below - is October 15, 2024. (Optionally, the eFileIT deadline is Oct. 15, 2024). Instructions on how to only - without the IRS return - prepare and file an Hawaii State Income Tax Return on eFile.com.

Complete and Mail In Now

Tax Amendment for all Tax Years

See detailed Instructions on how to prepare and mail in a Hawaii State Income Tax Return Amendment.

IRS Due Dates

IRS Tax Return, Extension, Amendment Deadlines

Detailed current and future Federal or IRS Income Tax Deadlines

2024, 2025, etc.

Other State Tax Return, Extension, Amendment Deadlines

Select respective State Tax Return Deadlines.

2024, 2025, etc.

IRS Federal Income Tax Return, Amendment, Extension Deadlines

See 2023, 2024 Tax Year Income Tax Return Deadlines.

April 15, 2025

2021 Hawaii Income Tax Return Refund

The last day to file and claim your 2021 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2021 tax refund will expire. See details on expires refunds.

April 15, 2026

2022 Hawaii Income Tax Return Refund

The last day to file and claim your 2022 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2022 tax refund will expire. See details on expires refunds.

April 15, 2027

2023 Hawaii Income Tax Return Refund

The last day to file and claim your 2023 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2023 tax refund will expire. See details on expires refunds.

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