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Is Saturday 31 May 2025 a FedNow Service business day?

Yes: Saturday 31 May 2025 is a FedNow Service business day; the next FedNow Service business day is Sunday 1 June 2025 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Sat 31 May 2025

FedNow Service, Sat 24 May 2025 to Fri 20 Jun 2025
CalendarSat 24 May 2025Sun 25 May 2025Mon 26 May 2025Tue 27 May 2025Wed 28 May 2025Thu 29 May 2025Fri 30 May 2025Sat 31 May 2025Sun 1 Jun 2025Mon 2 Jun 2025Tue 3 Jun 2025Wed 4 Jun 2025Thu 5 Jun 2025Fri 6 Jun 2025Sat 7 Jun 2025Sun 8 Jun 2025Mon 9 Jun 2025Tue 10 Jun 2025Wed 11 Jun 2025Thu 12 Jun 2025Fri 13 Jun 2025Sat 14 Jun 2025Sun 15 Jun 2025Mon 16 Jun 2025Tue 17 Jun 2025Wed 18 Jun 2025Thu 19 Jun 2025Fri 20 Jun 2025
FedNow ServiceFedNow Service open Sat 24 May 2025FedNow Service open Sun 25 May 2025FedNow Service open Mon 26 May 2025FedNow Service open Tue 27 May 2025FedNow Service open Wed 28 May 2025FedNow Service open Thu 29 May 2025FedNow Service open Fri 30 May 2025FedNow Service open Sat 31 May 2025FedNow Service open Sun 1 Jun 2025FedNow Service open Mon 2 Jun 2025FedNow Service open Tue 3 Jun 2025FedNow Service open Wed 4 Jun 2025FedNow Service open Thu 5 Jun 2025FedNow Service open Fri 6 Jun 2025FedNow Service open Sat 7 Jun 2025FedNow Service open Sun 8 Jun 2025FedNow Service open Mon 9 Jun 2025FedNow Service open Tue 10 Jun 2025FedNow Service open Wed 11 Jun 2025FedNow Service open Thu 12 Jun 2025FedNow Service open Fri 13 Jun 2025FedNow Service open Sat 14 Jun 2025FedNow Service open Sun 15 Jun 2025FedNow Service open Mon 16 Jun 2025FedNow Service open Tue 17 Jun 2025FedNow Service open Wed 18 Jun 2025FedNow Service open Thu 19 Jun 2025FedNow Service open Fri 20 Jun 2025
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sat 31 May 2025

Saturday 31 May 2025 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)CHAPS closed for the weekend Sat 31 May 2025Weekend
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed for the weekend Sat 31 May 2025Weekend
FedACH Services (US-FEDACH)No dataOutside this calendar's sources
US federal holidays (US-FEDERAL)US federal holidays closed for the weekend Sat 31 May 2025Weekend
Fedwire Funds Service (US-FEDWIRE)No dataOutside this calendar's sources

Sources

No entry decides this date, so FedNow Service's weekend rule does. FedNow Service has no weekend: only published closures stop it.

Zeitwide release 2026.11.04.1. Evidence and signed receipt for FedNow Service on Sat 31 May 2025

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2025-05-31. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2025-05-31

Questions people ask

What is the next FedNow Service business day after Saturday 31 May 2025?

The next FedNow Service business day is Sunday 1 June 2025.

What are FedNow Service's operating hours?

FedNow Service is open around the clock on every day of the year.

Where does this answer come from?

The calendar's weekend rule, in Zeitwide release 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDNOW/days/2025-05-31

{
  "date": "2025-05-31",
  "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