Is Monday 29 May 2028 a US federal holidays business day?
No: Monday 29 May 2028 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 30 May 2028 (Zeitwide release 2026.11.04.1).
28 days of US federal holidays around Mon 29 May 2028
- Open
- Closed
- Weekend
- Holiday on a weekend
Other calendars on Mon 29 May 2028
| Calendar | Status | Why |
|---|---|---|
| Germany: nationwide public holidays (DE) | No data | Outside this calendar's sources |
| T2 (TARGET RTGS) (EU-T2) | T2 (TARGET RTGS) open Mon 29 May 2028 | Business day |
| CHAPS (GB-CHAPS) | CHAPS closed Mon 29 May 2028: Spring bank holiday | Spring bank holiday |
| England and Wales bank holidays (GB-EAW) | England and Wales bank holidays closed Mon 29 May 2028: Spring bank holiday | Spring bank holiday |
| FedACH Services (US-FEDACH) | FedACH Services closed Mon 29 May 2028: Memorial Day | Memorial Day |
| FedNow Service (US-FEDNOW) | FedNow Service open Mon 29 May 2028 | Business day |
| Fedwire Funds Service (US-FEDWIRE) | Fedwire Funds Service closed Mon 29 May 2028: Memorial Day | Memorial Day |
Sources
- U.S. Office of Personnel ManagementRead 1 Nov 2026, 02:45 UTC
Zeitwide release 2026.11.04.1. Evidence and signed receipt for US federal holidays on Mon 29 May 2028
US federal holidays revision 44, published .
Zeitwide (2026). US-FEDERAL on 2028-05-29. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2028-05-29
Questions people ask
When does US federal holidays reopen after Monday 29 May 2028?
US federal holidays reopens on Tuesday 30 May 2028.
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/2028-05-29
{
"date": "2028-05-29",
"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