Is Saturday 27 May 2028 a Fedwire Funds Service business day?
No: Saturday 27 May 2028 is not a Fedwire Funds Service business day, because Fedwire Funds Service is closed at weekends; Fedwire Funds Service reopens on Tuesday 30 May 2028, whose business day opens at 21:00 America/New_York the evening before (Zeitwide release 2026.11.04.1).
28 days of Fedwire Funds Service around Sat 27 May 2028
- Open
- Closed
- Weekend
- Holiday on a weekend
Other calendars on Sat 27 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) closed for the weekend Sat 27 May 2028 | Weekend |
| CHAPS (GB-CHAPS) | CHAPS closed for the weekend Sat 27 May 2028 | Weekend |
| England and Wales bank holidays (GB-EAW) | England and Wales bank holidays closed for the weekend Sat 27 May 2028 | Weekend |
| FedACH Services (US-FEDACH) | FedACH Services closed for the weekend Sat 27 May 2028 | Weekend |
| US federal holidays (US-FEDERAL) | US federal holidays closed for the weekend Sat 27 May 2028 | Weekend |
| FedNow Service (US-FEDNOW) | FedNow Service open Sat 27 May 2028 | Business day |
Sources
No entry decides this date, so Fedwire Funds Service's weekend rule does. Fedwire Funds Service is closed every Saturday and Sunday.
Zeitwide release 2026.11.04.1. Evidence and signed receipt for Fedwire Funds Service on Sat 27 May 2028
Fedwire Funds Service revision 38, published .
Zeitwide (2026). US-FEDWIRE on 2028-05-27. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDWIRE/2028-05-27
Questions people ask
When does Fedwire Funds Service reopen after Saturday 27 May 2028?
Fedwire Funds Service reopens on Tuesday 30 May 2028, whose business day opens at 21:00 America/New_York the evening before.
What are Fedwire Funds Service's operating hours?
A Fedwire Funds Service business day runs from 21:00 America/New_York on the evening before to 19:00 on the day itself.
Where does this answer come from?
The calendar's weekend rule and no closure for it in Board of Governors of the Federal Reserve System and Federal Reserve Banks (Federal Reserve Financial Services), in Zeitwide release 2026.11.04.1.
The same answer from the API
curl https://api.zeitwide.com/v1/calendars/US-FEDWIRE/days/2028-05-27
{
"date": "2028-05-27",
"is_business_day": false,
"dataset_release": "2026.11.04.1"
}Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks