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Zeitwide

Is Sunday 21 May 2079 a FedNow Service business day?

Yes: Sunday 21 May 2079 is a FedNow Service business day; the next FedNow Service business day is Monday 22 May 2079 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Sun 21 May 2079

FedNow Service, Sun 14 May 2079 to Sat 10 Jun 2079
CalendarSun 14 May 2079Mon 15 May 2079Tue 16 May 2079Wed 17 May 2079Thu 18 May 2079Fri 19 May 2079Sat 20 May 2079Sun 21 May 2079Mon 22 May 2079Tue 23 May 2079Wed 24 May 2079Thu 25 May 2079Fri 26 May 2079Sat 27 May 2079Sun 28 May 2079Mon 29 May 2079Tue 30 May 2079Wed 31 May 2079Thu 1 Jun 2079Fri 2 Jun 2079Sat 3 Jun 2079Sun 4 Jun 2079Mon 5 Jun 2079Tue 6 Jun 2079Wed 7 Jun 2079Thu 8 Jun 2079Fri 9 Jun 2079Sat 10 Jun 2079
FedNow ServiceFedNow Service open Sun 14 May 2079FedNow Service open Mon 15 May 2079FedNow Service open Tue 16 May 2079FedNow Service open Wed 17 May 2079FedNow Service open Thu 18 May 2079FedNow Service open Fri 19 May 2079FedNow Service open Sat 20 May 2079FedNow Service open Sun 21 May 2079FedNow Service open Mon 22 May 2079FedNow Service open Tue 23 May 2079FedNow Service open Wed 24 May 2079FedNow Service open Thu 25 May 2079FedNow Service open Fri 26 May 2079FedNow Service open Sat 27 May 2079FedNow Service open Sun 28 May 2079FedNow Service open Mon 29 May 2079FedNow Service open Tue 30 May 2079FedNow Service open Wed 31 May 2079FedNow Service open Thu 1 Jun 2079FedNow Service open Fri 2 Jun 2079FedNow Service open Sat 3 Jun 2079FedNow Service open Sun 4 Jun 2079FedNow Service open Mon 5 Jun 2079FedNow Service open Tue 6 Jun 2079FedNow Service open Wed 7 Jun 2079FedNow Service open Thu 8 Jun 2079FedNow Service open Fri 9 Jun 2079FedNow Service open Sat 10 Jun 2079
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sun 21 May 2079

Sunday 21 May 2079 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 Sun 21 May 2079

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2079-05-21. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2079-05-21

Questions people ask

What is the next FedNow Service business day after Sunday 21 May 2079?

The next FedNow Service business day is Monday 22 May 2079.

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/2079-05-21

{
  "date": "2079-05-21",
  "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