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Zen Tax Filing

Tax Calendar 2025

Important tax deadlines to keep in mind

Important
Upcoming (within 30 days)
Past
January
15

Q4 2024 Estimated Taxes Due

Fourth quarter estimated tax payment for 2024

January
31

W-2 and 1099 Deadline

Employers must send W-2s; payers must send 1099s

February
15

Form W-4 Deadline

Reclaim exemption from withholding

March
15

S-Corp and Partnership Returns

Form 1120-S and Form 1065 due

April
15

Individual Tax Returns Due

Form 1040 due; Q1 2025 estimated taxes due

April
15

IRA Contribution Deadline

Last day to contribute to IRA for 2024

June
16

Q2 Estimated Taxes Due

Second quarter estimated tax payment

September
15

Q3 Estimated Taxes Due

Third quarter estimated tax payment

September
15

Extended S-Corp Returns Due

Extended Form 1120-S and 1065 due

October
15

Extended Individual Returns

Extended Form 1040 due

December
31

Year-End Tax Moves

Last day for many tax-saving strategies

Dates are subject to change. Always verify with the IRS for official deadlines.