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Is Tuesday 21 September 2027 a FedNow Service business day?

Yes: Tuesday 21 September 2027 is a FedNow Service business day; the next FedNow Service business day is Wednesday 22 September 2027 (Zeitwide release 2026.11.03.1).

28 days of FedNow Service around Tue 21 Sept 2027

FedNow Service, Tue 14 Sept 2027 to Mon 11 Oct 2027
CalendarTue 14 Sept 2027Wed 15 Sept 2027Thu 16 Sept 2027Fri 17 Sept 2027Sat 18 Sept 2027Sun 19 Sept 2027Mon 20 Sept 2027Tue 21 Sept 2027Wed 22 Sept 2027Thu 23 Sept 2027Fri 24 Sept 2027Sat 25 Sept 2027Sun 26 Sept 2027Mon 27 Sept 2027Tue 28 Sept 2027Wed 29 Sept 2027Thu 30 Sept 2027Fri 1 Oct 2027Sat 2 Oct 2027Sun 3 Oct 2027Mon 4 Oct 2027Tue 5 Oct 2027Wed 6 Oct 2027Thu 7 Oct 2027Fri 8 Oct 2027Sat 9 Oct 2027Sun 10 Oct 2027Mon 11 Oct 2027
FedNow ServiceFedNow Service open Tue 14 Sept 2027FedNow Service open Wed 15 Sept 2027FedNow Service open Thu 16 Sept 2027FedNow Service open Fri 17 Sept 2027FedNow Service open Sat 18 Sept 2027FedNow Service open Sun 19 Sept 2027FedNow Service open Mon 20 Sept 2027FedNow Service open Tue 21 Sept 2027FedNow Service open Wed 22 Sept 2027FedNow Service open Thu 23 Sept 2027FedNow Service open Fri 24 Sept 2027FedNow Service open Sat 25 Sept 2027FedNow Service open Sun 26 Sept 2027FedNow Service open Mon 27 Sept 2027FedNow Service open Tue 28 Sept 2027FedNow Service open Wed 29 Sept 2027FedNow Service open Thu 30 Sept 2027FedNow Service open Fri 1 Oct 2027FedNow Service open Sat 2 Oct 2027FedNow Service open Sun 3 Oct 2027FedNow Service open Mon 4 Oct 2027FedNow Service open Tue 5 Oct 2027FedNow Service open Wed 6 Oct 2027FedNow Service open Thu 7 Oct 2027FedNow Service open Fri 8 Oct 2027FedNow Service open Sat 9 Oct 2027FedNow Service open Sun 10 Oct 2027FedNow Service open Mon 11 Oct 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Tue 21 Sept 2027

Tuesday 21 September 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Tue 21 Sept 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Tue 21 Sept 2027Business day
CHAPS (GB-CHAPS)CHAPS open Tue 21 Sept 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Tue 21 Sept 2027Business day
FedACH Services (US-FEDACH)FedACH Services open Tue 21 Sept 2027Business day
US federal holidays (US-FEDERAL)US federal holidays open Tue 21 Sept 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service open Tue 21 Sept 2027Business 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 Tue 21 Sept 2027

Cite this answer
Zeitwide (2026). US-FEDNOW on 2027-09-21. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDNOW/2027-09-21

Questions people ask

What is the next FedNow Service business day after Tuesday 21 September 2027?

The next FedNow Service business day is Wednesday 22 September 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/2027-09-21

{
  "date": "2027-09-21",
  "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