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Is Monday 11 October 2027 a US federal holidays business day?

No: Monday 11 October 2027 is not a US federal holidays business day, because US federal holidays is closed for Columbus Day, according to U.S. Office of Personnel Management; US federal holidays reopens on Tuesday 12 October 2027 (Zeitwide release 2026.11.03.1).

28 days of US federal holidays around Mon 11 Oct 2027

US federal holidays, Mon 4 Oct 2027 to Sun 31 Oct 2027
CalendarMon 4 Oct 2027Tue 5 Oct 2027Wed 6 Oct 2027Thu 7 Oct 2027Fri 8 Oct 2027Sat 9 Oct 2027Sun 10 Oct 2027Mon 11 Oct 2027Tue 12 Oct 2027Wed 13 Oct 2027Thu 14 Oct 2027Fri 15 Oct 2027Sat 16 Oct 2027Sun 17 Oct 2027Mon 18 Oct 2027Tue 19 Oct 2027Wed 20 Oct 2027Thu 21 Oct 2027Fri 22 Oct 2027Sat 23 Oct 2027Sun 24 Oct 2027Mon 25 Oct 2027Tue 26 Oct 2027Wed 27 Oct 2027Thu 28 Oct 2027Fri 29 Oct 2027Sat 30 Oct 2027Sun 31 Oct 2027
US federal holidaysUS federal holidays open Mon 4 Oct 2027US federal holidays open Tue 5 Oct 2027US federal holidays open Wed 6 Oct 2027US federal holidays open Thu 7 Oct 2027US federal holidays open Fri 8 Oct 2027US federal holidays closed for the weekend Sat 9 Oct 2027US federal holidays closed for the weekend Sun 10 Oct 2027US federal holidays closed Mon 11 Oct 2027: Columbus DayUS federal holidays open Tue 12 Oct 2027US federal holidays open Wed 13 Oct 2027US federal holidays open Thu 14 Oct 2027US federal holidays open Fri 15 Oct 2027US federal holidays closed for the weekend Sat 16 Oct 2027US federal holidays closed for the weekend Sun 17 Oct 2027US federal holidays open Mon 18 Oct 2027US federal holidays open Tue 19 Oct 2027US federal holidays open Wed 20 Oct 2027US federal holidays open Thu 21 Oct 2027US federal holidays open Fri 22 Oct 2027US federal holidays closed for the weekend Sat 23 Oct 2027US federal holidays closed for the weekend Sun 24 Oct 2027US federal holidays open Mon 25 Oct 2027US federal holidays open Tue 26 Oct 2027US federal holidays open Wed 27 Oct 2027US federal holidays open Thu 28 Oct 2027US federal holidays open Fri 29 Oct 2027US federal holidays closed for the weekend Sat 30 Oct 2027US federal holidays closed for the weekend Sun 31 Oct 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 11 Oct 2027

Monday 11 October 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Mon 11 Oct 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Mon 11 Oct 2027Business day
CHAPS (GB-CHAPS)CHAPS open Mon 11 Oct 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Mon 11 Oct 2027Business day
FedACH Services (US-FEDACH)FedACH Services closed Mon 11 Oct 2027: Columbus DayColumbus Day
FedNow Service (US-FEDNOW)FedNow Service open Mon 11 Oct 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed Mon 11 Oct 2027: Columbus DayColumbus Day

Sources

Zeitwide release 2026.11.03.1. Evidence and signed receipt for US federal holidays on Mon 11 Oct 2027

Cite this answer
Zeitwide (2026). US-FEDERAL on 2027-10-11. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDERAL/2027-10-11

Questions people ask

When does US federal holidays reopen after Monday 11 October 2027?

US federal holidays reopens on Tuesday 12 October 2027.

Which days is US federal holidays closed?

US federal holidays is closed every Saturday and Sunday. It also closes on the holidays published by U.S. Office of Personnel Management.

Where does this answer come from?

U.S. Office of Personnel Management, last read 28 Oct 2026, 15:46 UTC. The operator published this date. It is in Zeitwide release 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2027-10-11

{
  "date": "2027-10-11",
  "is_business_day": false,
  "reason": "Columbus Day",
  "dataset_release": "2026.11.03.1"
}

Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks