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Is Monday 28 May 2029 a US federal holidays business day?

No: Monday 28 May 2029 is not a US federal holidays business day, because US federal holidays is closed for Memorial Day, according to U.S. Office of Personnel Management; US federal holidays reopens on Tuesday 29 May 2029 (Zeitwide release 2026.11.04.1).

28 days of US federal holidays around Mon 28 May 2029

US federal holidays, Mon 21 May 2029 to Sun 17 Jun 2029
CalendarMon 21 May 2029Tue 22 May 2029Wed 23 May 2029Thu 24 May 2029Fri 25 May 2029Sat 26 May 2029Sun 27 May 2029Mon 28 May 2029Tue 29 May 2029Wed 30 May 2029Thu 31 May 2029Fri 1 Jun 2029Sat 2 Jun 2029Sun 3 Jun 2029Mon 4 Jun 2029Tue 5 Jun 2029Wed 6 Jun 2029Thu 7 Jun 2029Fri 8 Jun 2029Sat 9 Jun 2029Sun 10 Jun 2029Mon 11 Jun 2029Tue 12 Jun 2029Wed 13 Jun 2029Thu 14 Jun 2029Fri 15 Jun 2029Sat 16 Jun 2029Sun 17 Jun 2029
US federal holidaysUS federal holidays open Mon 21 May 2029US federal holidays open Tue 22 May 2029US federal holidays open Wed 23 May 2029US federal holidays open Thu 24 May 2029US federal holidays open Fri 25 May 2029US federal holidays closed for the weekend Sat 26 May 2029US federal holidays closed for the weekend Sun 27 May 2029US federal holidays closed Mon 28 May 2029: Memorial DayUS federal holidays open Tue 29 May 2029US federal holidays open Wed 30 May 2029US federal holidays open Thu 31 May 2029US federal holidays open Fri 1 Jun 2029US federal holidays closed for the weekend Sat 2 Jun 2029US federal holidays closed for the weekend Sun 3 Jun 2029US federal holidays open Mon 4 Jun 2029US federal holidays open Tue 5 Jun 2029US federal holidays open Wed 6 Jun 2029US federal holidays open Thu 7 Jun 2029US federal holidays open Fri 8 Jun 2029US federal holidays closed for the weekend Sat 9 Jun 2029US federal holidays closed for the weekend Sun 10 Jun 2029US federal holidays open Mon 11 Jun 2029US federal holidays open Tue 12 Jun 2029US federal holidays open Wed 13 Jun 2029US federal holidays open Thu 14 Jun 2029US federal holidays open Fri 15 Jun 2029US federal holidays closed for the weekend Sat 16 Jun 2029US federal holidays closed for the weekend Sun 17 Jun 2029
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 28 May 2029

Monday 28 May 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 28 May 2029: Memorial DayMemorial Day
FedNow Service (US-FEDNOW)FedNow Service open Mon 28 May 2029Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed Mon 28 May 2029: Memorial DayMemorial Day

Sources

Zeitwide release 2026.11.04.1. Evidence and signed receipt for US federal holidays on Mon 28 May 2029

US federal holidays revision 44, published .

Cite this answer
Zeitwide (2026). US-FEDERAL on 2029-05-28. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2029-05-28

Questions people ask

When does US federal holidays reopen after Monday 28 May 2029?

US federal holidays reopens on Tuesday 29 May 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/2029-05-28

{
  "date": "2029-05-28",
  "is_business_day": false,
  "reason": "Memorial 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