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Is Monday 10 December 2029 a US federal holidays business day?

Yes: Monday 10 December 2029 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 Tuesday 11 December 2029 (Zeitwide release 2026.11.04.1).

28 days of US federal holidays around Mon 10 Dec 2029

US federal holidays, Mon 3 Dec 2029 to Sun 30 Dec 2029
CalendarMon 3 Dec 2029Tue 4 Dec 2029Wed 5 Dec 2029Thu 6 Dec 2029Fri 7 Dec 2029Sat 8 Dec 2029Sun 9 Dec 2029Mon 10 Dec 2029Tue 11 Dec 2029Wed 12 Dec 2029Thu 13 Dec 2029Fri 14 Dec 2029Sat 15 Dec 2029Sun 16 Dec 2029Mon 17 Dec 2029Tue 18 Dec 2029Wed 19 Dec 2029Thu 20 Dec 2029Fri 21 Dec 2029Sat 22 Dec 2029Sun 23 Dec 2029Mon 24 Dec 2029Tue 25 Dec 2029Wed 26 Dec 2029Thu 27 Dec 2029Fri 28 Dec 2029Sat 29 Dec 2029Sun 30 Dec 2029
US federal holidaysUS federal holidays open Mon 3 Dec 2029US federal holidays open Tue 4 Dec 2029US federal holidays open Wed 5 Dec 2029US federal holidays open Thu 6 Dec 2029US federal holidays open Fri 7 Dec 2029US federal holidays closed for the weekend Sat 8 Dec 2029US federal holidays closed for the weekend Sun 9 Dec 2029US federal holidays open Mon 10 Dec 2029US federal holidays open Tue 11 Dec 2029US federal holidays open Wed 12 Dec 2029US federal holidays open Thu 13 Dec 2029US federal holidays open Fri 14 Dec 2029US federal holidays closed for the weekend Sat 15 Dec 2029US federal holidays closed for the weekend Sun 16 Dec 2029US federal holidays open Mon 17 Dec 2029US federal holidays open Tue 18 Dec 2029US federal holidays open Wed 19 Dec 2029US federal holidays open Thu 20 Dec 2029US federal holidays open Fri 21 Dec 2029US federal holidays closed for the weekend Sat 22 Dec 2029US federal holidays closed for the weekend Sun 23 Dec 2029US federal holidays open Mon 24 Dec 2029US federal holidays closed Tue 25 Dec 2029: Christmas DayUS federal holidays open Wed 26 Dec 2029US federal holidays open Thu 27 Dec 2029US federal holidays open Fri 28 Dec 2029US federal holidays closed for the weekend Sat 29 Dec 2029US federal holidays closed for the weekend Sun 30 Dec 2029
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 10 Dec 2029

Monday 10 December 2029 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)No dataOutside this calendar's sources
T2 (TARGET RTGS) (EU-T2)No dataOutside this calendar's sources
CHAPS (GB-CHAPS)No dataOutside this calendar's sources
England and Wales bank holidays (GB-EAW)No dataOutside this calendar's sources
FedACH Services (US-FEDACH)FedACH Services open Mon 10 Dec 2029Business day
FedNow Service (US-FEDNOW)FedNow Service open Mon 10 Dec 2029Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service open Mon 10 Dec 2029Business 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 2026.11.04.1. Evidence and signed receipt for US federal holidays on Mon 10 Dec 2029

US federal holidays revision 44, published .

Cite this answer
Zeitwide (2026). US-FEDERAL on 2029-12-10. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2029-12-10

Questions people ask

What is the next US federal holidays business day after Monday 10 December 2029?

The next US federal holidays business day is Tuesday 11 December 2029.

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 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2029-12-10

{
  "date": "2029-12-10",
  "is_business_day": true,
  "dataset_release": "2026.11.04.1"
}

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