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Is Monday 3 September 2029 a US federal holidays business day?

No: Monday 3 September 2029 is not a US federal holidays business day, because US federal holidays is closed for Labor Day, according to U.S. Office of Personnel Management; US federal holidays reopens on Tuesday 4 September 2029 (Zeitwide release 2026.11.04.1).

28 days of US federal holidays around Mon 3 Sept 2029

US federal holidays, Mon 27 Aug 2029 to Sun 23 Sept 2029
CalendarMon 27 Aug 2029Tue 28 Aug 2029Wed 29 Aug 2029Thu 30 Aug 2029Fri 31 Aug 2029Sat 1 Sept 2029Sun 2 Sept 2029Mon 3 Sept 2029Tue 4 Sept 2029Wed 5 Sept 2029Thu 6 Sept 2029Fri 7 Sept 2029Sat 8 Sept 2029Sun 9 Sept 2029Mon 10 Sept 2029Tue 11 Sept 2029Wed 12 Sept 2029Thu 13 Sept 2029Fri 14 Sept 2029Sat 15 Sept 2029Sun 16 Sept 2029Mon 17 Sept 2029Tue 18 Sept 2029Wed 19 Sept 2029Thu 20 Sept 2029Fri 21 Sept 2029Sat 22 Sept 2029Sun 23 Sept 2029
US federal holidaysUS federal holidays open Mon 27 Aug 2029US federal holidays open Tue 28 Aug 2029US federal holidays open Wed 29 Aug 2029US federal holidays open Thu 30 Aug 2029US federal holidays open Fri 31 Aug 2029US federal holidays closed for the weekend Sat 1 Sept 2029US federal holidays closed for the weekend Sun 2 Sept 2029US federal holidays closed Mon 3 Sept 2029: Labor DayUS federal holidays open Tue 4 Sept 2029US federal holidays open Wed 5 Sept 2029US federal holidays open Thu 6 Sept 2029US federal holidays open Fri 7 Sept 2029US federal holidays closed for the weekend Sat 8 Sept 2029US federal holidays closed for the weekend Sun 9 Sept 2029US federal holidays open Mon 10 Sept 2029US federal holidays open Tue 11 Sept 2029US federal holidays open Wed 12 Sept 2029US federal holidays open Thu 13 Sept 2029US federal holidays open Fri 14 Sept 2029US federal holidays closed for the weekend Sat 15 Sept 2029US federal holidays closed for the weekend Sun 16 Sept 2029US federal holidays open Mon 17 Sept 2029US federal holidays open Tue 18 Sept 2029US federal holidays open Wed 19 Sept 2029US federal holidays open Thu 20 Sept 2029US federal holidays open Fri 21 Sept 2029US federal holidays closed for the weekend Sat 22 Sept 2029US federal holidays closed for the weekend Sun 23 Sept 2029
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 3 Sept 2029

Monday 3 September 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 closed Mon 3 Sept 2029: Labor DayLabor Day
FedNow Service (US-FEDNOW)FedNow Service open Mon 3 Sept 2029Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed Mon 3 Sept 2029: Labor DayLabor Day

Sources

Zeitwide release 2026.11.04.1. Evidence and signed receipt for US federal holidays on Mon 3 Sept 2029

US federal holidays revision 44, published .

Cite this answer
Zeitwide (2026). US-FEDERAL on 2029-09-03. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2029-09-03

Questions people ask

When does US federal holidays reopen after Monday 3 September 2029?

US federal holidays reopens on Tuesday 4 September 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?

U.S. Office of Personnel Management, last read 1 Nov 2026, 02:45 UTC. The operator published this date. It is in Zeitwide release 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2029-09-03

{
  "date": "2029-09-03",
  "is_business_day": false,
  "reason": "Labor Day",
  "dataset_release": "2026.11.04.1"
}

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