BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//whatsmypenalty.com//Tax Deadlines//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:US Federal Tax Deadlines
X-WR-CALDESC:Federal filing and estimated-tax deadlines from whatsmypenalty.com
BEGIN:VEVENT
UID:2026-q3-est@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20260915
SUMMARY:Q3 2026 estimated tax payment due
DESCRIPTION:Third-quarter 2026 federal estimated tax installment (individuals and corporations). Pay via IRS Direct Pay. Details: https://whatsmypenalty.com/guides/tax-deadlines.html
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2026-q4-corp-est@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20261215
SUMMARY:Q4 2026 corporate estimated tax payment due
DESCRIPTION:Fourth-quarter 2026 estimated tax installment for calendar-year C corporations.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2026-q4-ind-est@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20270115
SUMMARY:Q4 2026 estimated tax payment due (individuals)
DESCRIPTION:Fourth-quarter 2026 federal estimated tax installment for individuals.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2027-passthrough-returns@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20270315
SUMMARY:S corp & partnership returns due (2026 tax year)
DESCRIPTION:Forms 1120-S and 1065 due for calendar-year 2026\, or file Form 7004 for a six-month extension. The late-filing penalty is charged per owner\, per month. Details: https://whatsmypenalty.com/guides/s-corp-partnership-late-filing-penalty.html
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2027-april-deadline@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20270415
SUMMARY:Tax day: 1040 & 1120 returns + payment due; Q1 2027 estimates due
DESCRIPTION:2026 individual (Form 1040) and C corporation (Form 1120) returns and payment due. Extensions (Forms 4868/7004) extend filing only — payment is still due today. First-quarter 2027 estimated payments are also due.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2027-q2-est@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20270615
SUMMARY:Q2 2027 estimated tax payment due
DESCRIPTION:Second-quarter 2027 federal estimated tax installment.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2027-sept-deadlines@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20270915
SUMMARY:Extended S corp/partnership returns due; Q3 2027 estimates due
DESCRIPTION:Final deadline for extended 2026 Forms 1120-S and 1065. Third-quarter 2027 estimated payments also due.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
BEGIN:VEVENT
UID:2027-oct-deadline@whatsmypenalty.com
DTSTAMP:20260816T000000Z
DTSTART;VALUE=DATE:20271015
SUMMARY:Extended 1040 & 1120 returns due
DESCRIPTION:Final deadline for extended 2026 individual and C corporation returns. Filing after today restarts the 5%/month late-filing penalty from this date.
URL:https://whatsmypenalty.com/guides/tax-deadlines.html
END:VEVENT
END:VCALENDAR