BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Rule Calculator//Tax Deadlines//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Tax deadlines — self-employed
X-WR-TIMEZONE:America/New_York
BEGIN:VEVENT
UID:extended-1040-2025@rulecalculators.com
DTSTAMP:20261001T000000Z
DTSTART;VALUE=DATE:20261015
DTEND;VALUE=DATE:20261016
SUMMARY:Extended 2025 individual return
DESCRIPTION:The last day for anyone who filed Form 4868 in April. An extens
 ion moved the filing date only — tax owed has been accruing interest and
  a 0.5% monthly late-payment penalty since 15 April.
TRANSP:TRANSPARENT
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Extended 2025 individual return in one week
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:estimated-2027-01-15@rulecalculators.com
DTSTAMP:20261001T000000Z
DTSTART;VALUE=DATE:20270115
DTEND;VALUE=DATE:20270116
SUMMARY:Fourth quarter 2026 estimated tax payment
DESCRIPTION:Covers income earned 1 September to 31 December 2026. Pay this 
 if you expect to owe $1\,000 or more when you file and your withholding wi
 ll not cover 90% of this year's tax or 100% of last year's — 110% if you
 r AGI was over $150\,000.
TRANSP:TRANSPARENT
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Fourth quarter 2026 estimated tax payment in one week
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:individual-2026@rulecalculators.com
DTSTAMP:20261001T000000Z
DTSTART;VALUE=DATE:20270415
DTEND;VALUE=DATE:20270416
SUMMARY:Tax Day: 2026 individual return\, first 2027 estimated payment\, IR
 A and HSA contributions
DESCRIPTION:Four things fall on one day: the 2026 return\, the first estima
 ted payment for 2027\, the last day to put money in an IRA or HSA for the 
 2026 tax year\, and the calendar-year C corporation return.
TRANSP:TRANSPARENT
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Tax Day: 2026 individual return\, first 2027 estimated payment\
 , IRA and HSA contributions in one week
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:estimated-2027-06-15@rulecalculators.com
DTSTAMP:20261001T000000Z
DTSTART;VALUE=DATE:20270615
DTEND;VALUE=DATE:20270616
SUMMARY:Second quarter 2027 estimated tax payment
DESCRIPTION:Covers income earned 1 April to 31 May 2027. Pay this if you ex
 pect to owe $1\,000 or more when you file and your withholding will not co
 ver 90% of this year's tax or 100% of last year's — 110% if your AGI was
  over $150\,000.
TRANSP:TRANSPARENT
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Second quarter 2027 estimated tax payment in one week
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:extended-1040-2026@rulecalculators.com
DTSTAMP:20261001T000000Z
DTSTART;VALUE=DATE:20271015
DTEND;VALUE=DATE:20271016
SUMMARY:Extended 2026 individual return
DESCRIPTION:Six months past Tax Day\, and the last one. There is no further
  extension for a domestic filer.
TRANSP:TRANSPARENT
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Extended 2026 individual return in one week
END:VALARM
END:VEVENT
END:VCALENDAR