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Is Friday 10 December 2027 a US federal holidays business day?

Yes: Friday 10 December 2027 is a US federal holidays business day, as no closure for it appears in U.S. Office of Personnel Management; the next US federal holidays business day is Monday 13 December 2027 (Zeitwide release 2026.11.03.1).

28 days of US federal holidays around Fri 10 Dec 2027

US federal holidays, Fri 3 Dec 2027 to Thu 30 Dec 2027
CalendarFri 3 Dec 2027Sat 4 Dec 2027Sun 5 Dec 2027Mon 6 Dec 2027Tue 7 Dec 2027Wed 8 Dec 2027Thu 9 Dec 2027Fri 10 Dec 2027Sat 11 Dec 2027Sun 12 Dec 2027Mon 13 Dec 2027Tue 14 Dec 2027Wed 15 Dec 2027Thu 16 Dec 2027Fri 17 Dec 2027Sat 18 Dec 2027Sun 19 Dec 2027Mon 20 Dec 2027Tue 21 Dec 2027Wed 22 Dec 2027Thu 23 Dec 2027Fri 24 Dec 2027Sat 25 Dec 2027Sun 26 Dec 2027Mon 27 Dec 2027Tue 28 Dec 2027Wed 29 Dec 2027Thu 30 Dec 2027
US federal holidaysUS federal holidays open Fri 3 Dec 2027US federal holidays closed for the weekend Sat 4 Dec 2027US federal holidays closed for the weekend Sun 5 Dec 2027US federal holidays open Mon 6 Dec 2027US federal holidays open Tue 7 Dec 2027US federal holidays open Wed 8 Dec 2027US federal holidays open Thu 9 Dec 2027US federal holidays open Fri 10 Dec 2027US federal holidays closed for the weekend Sat 11 Dec 2027US federal holidays closed for the weekend Sun 12 Dec 2027US federal holidays open Mon 13 Dec 2027US federal holidays open Tue 14 Dec 2027US federal holidays open Wed 15 Dec 2027US federal holidays open Thu 16 Dec 2027US federal holidays open Fri 17 Dec 2027US federal holidays closed for the weekend Sat 18 Dec 2027US federal holidays closed for the weekend Sun 19 Dec 2027US federal holidays open Mon 20 Dec 2027US federal holidays open Tue 21 Dec 2027US federal holidays open Wed 22 Dec 2027US federal holidays open Thu 23 Dec 2027US federal holidays closed Fri 24 Dec 2027: Christmas DayUS federal holidays closed for the weekend Sat 25 Dec 2027US federal holidays closed for the weekend Sun 26 Dec 2027US federal holidays open Mon 27 Dec 2027US federal holidays open Tue 28 Dec 2027US federal holidays open Wed 29 Dec 2027US federal holidays open Thu 30 Dec 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Fri 10 Dec 2027

Friday 10 December 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Fri 10 Dec 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Fri 10 Dec 2027Business day
CHAPS (GB-CHAPS)CHAPS open Fri 10 Dec 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Fri 10 Dec 2027Business day
FedACH Services (US-FEDACH)FedACH Services open Fri 10 Dec 2027Business day
FedNow Service (US-FEDNOW)FedNow Service open Fri 10 Dec 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service open Fri 10 Dec 2027Business day

Sources

No entry decides this date, so US federal holidays's weekend rule does. US federal holidays is closed every Saturday and Sunday.

Zeitwide release 2026.11.03.1. Evidence and signed receipt for US federal holidays on Fri 10 Dec 2027

Cite this answer
Zeitwide (2026). US-FEDERAL on 2027-12-10. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDERAL/2027-12-10

Questions people ask

What is the next US federal holidays business day after Friday 10 December 2027?

The next US federal holidays business day is Monday 13 December 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?

The calendar's weekend rule and no closure for it in U.S. Office of Personnel Management, in Zeitwide release 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2027-12-10

{
  "date": "2027-12-10",
  "is_business_day": true,
  "dataset_release": "2026.11.03.1"
}

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