Tax calendar
Key dates, adjusted for weekends.
When a deadline lands on a Saturday, Sunday, or federal holiday, it moves to the next business day. These dates already reflect that.
Extended individual returns due
Individuals on extension · Thursday
Q4 2026 estimated tax payment
Individuals and sole proprietors · Friday
W-2 and 1099-NEC filing deadline
Employers and businesses paying contractors · Monday
S-corp and partnership returns due
Forms 1120-S and 1065 · Monday
Individual and C-corp returns, Q1 estimates
Forms 1040, 1120; NJ-1040 · Thursday
Q2 estimated tax payment
Individuals and corporations · Tuesday
Extended S-corp/partnership returns, Q3 estimates
Businesses on extension · Wednesday
Extended individual returns due
Individuals on extension · Friday