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Zeitwide

Is Monday 21 May 2040 a FedNow Service business day?

Yes: Monday 21 May 2040 is a FedNow Service business day; the next FedNow Service business day is Tuesday 22 May 2040 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Mon 21 May 2040

FedNow Service, Mon 14 May 2040 to Sun 10 Jun 2040
CalendarMon 14 May 2040Tue 15 May 2040Wed 16 May 2040Thu 17 May 2040Fri 18 May 2040Sat 19 May 2040Sun 20 May 2040Mon 21 May 2040Tue 22 May 2040Wed 23 May 2040Thu 24 May 2040Fri 25 May 2040Sat 26 May 2040Sun 27 May 2040Mon 28 May 2040Tue 29 May 2040Wed 30 May 2040Thu 31 May 2040Fri 1 Jun 2040Sat 2 Jun 2040Sun 3 Jun 2040Mon 4 Jun 2040Tue 5 Jun 2040Wed 6 Jun 2040Thu 7 Jun 2040Fri 8 Jun 2040Sat 9 Jun 2040Sun 10 Jun 2040
FedNow ServiceFedNow Service open Mon 14 May 2040FedNow Service open Tue 15 May 2040FedNow Service open Wed 16 May 2040FedNow Service open Thu 17 May 2040FedNow Service open Fri 18 May 2040FedNow Service open Sat 19 May 2040FedNow Service open Sun 20 May 2040FedNow Service open Mon 21 May 2040FedNow Service open Tue 22 May 2040FedNow Service open Wed 23 May 2040FedNow Service open Thu 24 May 2040FedNow Service open Fri 25 May 2040FedNow Service open Sat 26 May 2040FedNow Service open Sun 27 May 2040FedNow Service open Mon 28 May 2040FedNow Service open Tue 29 May 2040FedNow Service open Wed 30 May 2040FedNow Service open Thu 31 May 2040FedNow Service open Fri 1 Jun 2040FedNow Service open Sat 2 Jun 2040FedNow Service open Sun 3 Jun 2040FedNow Service open Mon 4 Jun 2040FedNow Service open Tue 5 Jun 2040FedNow Service open Wed 6 Jun 2040FedNow Service open Thu 7 Jun 2040FedNow Service open Fri 8 Jun 2040FedNow Service open Sat 9 Jun 2040FedNow Service open Sun 10 Jun 2040
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 21 May 2040

Monday 21 May 2040 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)No dataOutside this calendar's sources
US federal holidays (US-FEDERAL)No dataOutside this calendar's sources
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 Mon 21 May 2040

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2040-05-21. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2040-05-21

Questions people ask

What is the next FedNow Service business day after Monday 21 May 2040?

The next FedNow Service business day is Tuesday 22 May 2040.

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/2040-05-21

{
  "date": "2040-05-21",
  "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