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Is Monday 31 May 2027 a FedNow Service business day?

Yes: Monday 31 May 2027 is a FedNow Service business day; the next FedNow Service business day is Tuesday 1 June 2027 (Zeitwide release 2026.11.03.1).

28 days of FedNow Service around Mon 31 May 2027

FedNow Service, Mon 24 May 2027 to Sun 20 Jun 2027
CalendarMon 24 May 2027Tue 25 May 2027Wed 26 May 2027Thu 27 May 2027Fri 28 May 2027Sat 29 May 2027Sun 30 May 2027Mon 31 May 2027Tue 1 Jun 2027Wed 2 Jun 2027Thu 3 Jun 2027Fri 4 Jun 2027Sat 5 Jun 2027Sun 6 Jun 2027Mon 7 Jun 2027Tue 8 Jun 2027Wed 9 Jun 2027Thu 10 Jun 2027Fri 11 Jun 2027Sat 12 Jun 2027Sun 13 Jun 2027Mon 14 Jun 2027Tue 15 Jun 2027Wed 16 Jun 2027Thu 17 Jun 2027Fri 18 Jun 2027Sat 19 Jun 2027Sun 20 Jun 2027
FedNow ServiceFedNow Service open Mon 24 May 2027FedNow Service open Tue 25 May 2027FedNow Service open Wed 26 May 2027FedNow Service open Thu 27 May 2027FedNow Service open Fri 28 May 2027FedNow Service open Sat 29 May 2027FedNow Service open Sun 30 May 2027FedNow Service open Mon 31 May 2027FedNow Service open Tue 1 Jun 2027FedNow Service open Wed 2 Jun 2027FedNow Service open Thu 3 Jun 2027FedNow Service open Fri 4 Jun 2027FedNow Service open Sat 5 Jun 2027FedNow Service open Sun 6 Jun 2027FedNow Service open Mon 7 Jun 2027FedNow Service open Tue 8 Jun 2027FedNow Service open Wed 9 Jun 2027FedNow Service open Thu 10 Jun 2027FedNow Service open Fri 11 Jun 2027FedNow Service open Sat 12 Jun 2027FedNow Service open Sun 13 Jun 2027FedNow Service open Mon 14 Jun 2027FedNow Service open Tue 15 Jun 2027FedNow Service open Wed 16 Jun 2027FedNow Service open Thu 17 Jun 2027FedNow Service open Fri 18 Jun 2027FedNow Service open Sat 19 Jun 2027FedNow Service open Sun 20 Jun 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 31 May 2027

Monday 31 May 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Mon 31 May 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Mon 31 May 2027Business day
CHAPS (GB-CHAPS)CHAPS closed Mon 31 May 2027: Spring bank holidaySpring bank holiday
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed Mon 31 May 2027: Spring bank holidaySpring bank holiday
FedACH Services (US-FEDACH)FedACH Services closed Mon 31 May 2027: Memorial DayMemorial Day
US federal holidays (US-FEDERAL)US federal holidays closed Mon 31 May 2027: Memorial DayMemorial Day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed Mon 31 May 2027: Memorial DayMemorial Day

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 2026.11.03.1. Evidence and signed receipt for FedNow Service on Mon 31 May 2027

Cite this answer
Zeitwide (2026). US-FEDNOW on 2027-05-31. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDNOW/2027-05-31

Questions people ask

What is the next FedNow Service business day after Monday 31 May 2027?

The next FedNow Service business day is Tuesday 1 June 2027.

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 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDNOW/days/2027-05-31

{
  "date": "2027-05-31",
  "is_business_day": true,
  "dataset_release": "2026.11.03.1"
}

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