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Is Sunday 21 September 2031 a FedNow Service business day?

Yes: Sunday 21 September 2031 is a FedNow Service business day; the next FedNow Service business day is Monday 22 September 2031 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Sun 21 Sept 2031

FedNow Service, Sun 14 Sept 2031 to Sat 11 Oct 2031
CalendarSun 14 Sept 2031Mon 15 Sept 2031Tue 16 Sept 2031Wed 17 Sept 2031Thu 18 Sept 2031Fri 19 Sept 2031Sat 20 Sept 2031Sun 21 Sept 2031Mon 22 Sept 2031Tue 23 Sept 2031Wed 24 Sept 2031Thu 25 Sept 2031Fri 26 Sept 2031Sat 27 Sept 2031Sun 28 Sept 2031Mon 29 Sept 2031Tue 30 Sept 2031Wed 1 Oct 2031Thu 2 Oct 2031Fri 3 Oct 2031Sat 4 Oct 2031Sun 5 Oct 2031Mon 6 Oct 2031Tue 7 Oct 2031Wed 8 Oct 2031Thu 9 Oct 2031Fri 10 Oct 2031Sat 11 Oct 2031
FedNow ServiceFedNow Service open Sun 14 Sept 2031FedNow Service open Mon 15 Sept 2031FedNow Service open Tue 16 Sept 2031FedNow Service open Wed 17 Sept 2031FedNow Service open Thu 18 Sept 2031FedNow Service open Fri 19 Sept 2031FedNow Service open Sat 20 Sept 2031FedNow Service open Sun 21 Sept 2031FedNow Service open Mon 22 Sept 2031FedNow Service open Tue 23 Sept 2031FedNow Service open Wed 24 Sept 2031FedNow Service open Thu 25 Sept 2031FedNow Service open Fri 26 Sept 2031FedNow Service open Sat 27 Sept 2031FedNow Service open Sun 28 Sept 2031FedNow Service open Mon 29 Sept 2031FedNow Service open Tue 30 Sept 2031FedNow Service open Wed 1 Oct 2031FedNow Service open Thu 2 Oct 2031FedNow Service open Fri 3 Oct 2031FedNow Service open Sat 4 Oct 2031FedNow Service open Sun 5 Oct 2031FedNow Service open Mon 6 Oct 2031FedNow Service open Tue 7 Oct 2031FedNow Service open Wed 8 Oct 2031FedNow Service open Thu 9 Oct 2031FedNow Service open Fri 10 Oct 2031FedNow Service open Sat 11 Oct 2031
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sun 21 Sept 2031

Sunday 21 September 2031 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 Sept 2031

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2031-09-21. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2031-09-21

Questions people ask

What is the next FedNow Service business day after Sunday 21 September 2031?

The next FedNow Service business day is Monday 22 September 2031.

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/2031-09-21

{
  "date": "2031-09-21",
  "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