BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Arc & Ledger LLC//US Tax Deadlines 2026//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:US Tax Deadlines 2026 (Arc & Ledger)
BEGIN:VEVENT
UID:20260316-form-1120-s-form-1065-due-ty2025-@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260316
SUMMARY:Form 1120-S / Form 1065 due (TY2025)
DESCRIPTION:S-corporation and partnership returns (K-1s to owners). Extendable to September 15 with Form 7004. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Form 1120-S / Form 1065 due (TY2025) in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Form 1120-S / Form 1065 due (TY2025) tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260415-form-1120-form-5472-and-form-1040-due-ty@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260415
SUMMARY:Form 1120 + Form 5472 and Form 1040 due (TY2025)
DESCRIPTION:C-corp and foreign-owned single-member LLC returns (missing Form 5472 is a $25\,000/year penalty)\, plus US individual returns. FBAR is due today with an automatic extension to October 15. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Form 1120 + Form 5472 and Form 1040 due (TY2025) in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Form 1120 + Form 5472 and Form 1040 due (TY2025) tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260415-q1-2026-federal-estimated-tax-due@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260415
SUMMARY:Q1 2026 federal estimated tax due
DESCRIPTION:Quarterly estimated payment for self-employed individuals and owners without withholding (IRS Direct Pay: irs.gov/payments). California weights installments 30/40/0/30. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Q1 2026 federal estimated tax due in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Q1 2026 federal estimated tax due tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260615-form-1040-nr-due-ty2025-no-us-wages-@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260615
SUMMARY:Form 1040-NR due (TY2025\, no US wages)
DESCRIPTION:Nonresident individual returns when there were no US wages subject to withholding. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Form 1040-NR due (TY2025\, no US wages) in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Form 1040-NR due (TY2025\, no US wages) tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260615-q2-2026-federal-estimated-tax-due@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260615
SUMMARY:Q2 2026 federal estimated tax due
DESCRIPTION:Quarterly estimated payment for self-employed individuals and owners without withholding (IRS Direct Pay: irs.gov/payments). California weights installments 30/40/0/30. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Q2 2026 federal estimated tax due in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Q2 2026 federal estimated tax due tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260915-extended-form-1120-s-1065-due-ty2025-@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260915
SUMMARY:Extended Form 1120-S / 1065 due (TY2025)
DESCRIPTION:Final deadline for extended S-corp and partnership returns. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Extended Form 1120-S / 1065 due (TY2025) in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Extended Form 1120-S / 1065 due (TY2025) tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20260915-q3-2026-federal-estimated-tax-due@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20260915
SUMMARY:Q3 2026 federal estimated tax due
DESCRIPTION:Quarterly estimated payment for self-employed individuals and owners without withholding (IRS Direct Pay: irs.gov/payments). California weights installments 30/40/0/30. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Q3 2026 federal estimated tax due in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Q3 2026 federal estimated tax due tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20261015-extended-form-1120-5472-form-1040-and-fb@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20261015
SUMMARY:Extended Form 1120 + 5472\, Form 1040\, and FBAR due (TY2025)
DESCRIPTION:Final deadline for extended C-corp / foreign-owned LLC returns\, individual returns\, and the automatically extended FBAR. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Extended Form 1120 + 5472\, Form 1040\, and FBAR due (TY2025) in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Extended Form 1120 + 5472\, Form 1040\, and FBAR due (TY2025) tomorrow
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:20270115-q4-2026-federal-estimated-tax-due@arcandledger.com
DTSTAMP:20260101T000000Z
DTSTART;VALUE=DATE:20270115
SUMMARY:Q4 2026 federal estimated tax due
DESCRIPTION:Quarterly estimated payment for self-employed individuals and owners without withholding (IRS Direct Pay: irs.gov/payments). California weights installments 30/40/0/30. General information\, not tax advice. arcandledger.com/calculators/tax-deadlines/
BEGIN:VALARM
TRIGGER:-P7D
ACTION:DISPLAY
DESCRIPTION:Q4 2026 federal estimated tax due in 7 days
END:VALARM
BEGIN:VALARM
TRIGGER:-P1D
ACTION:DISPLAY
DESCRIPTION:Q4 2026 federal estimated tax due tomorrow
END:VALARM
END:VEVENT
END:VCALENDAR