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Is Sunday 21 March 2021 a FedNow Service business day?

Yes: Sunday 21 March 2021 is a FedNow Service business day; the next FedNow Service business day is Monday 22 March 2021 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Sun 21 Mar 2021

FedNow Service, Sun 14 Mar 2021 to Sat 10 Apr 2021
CalendarSun 14 Mar 2021Mon 15 Mar 2021Tue 16 Mar 2021Wed 17 Mar 2021Thu 18 Mar 2021Fri 19 Mar 2021Sat 20 Mar 2021Sun 21 Mar 2021Mon 22 Mar 2021Tue 23 Mar 2021Wed 24 Mar 2021Thu 25 Mar 2021Fri 26 Mar 2021Sat 27 Mar 2021Sun 28 Mar 2021Mon 29 Mar 2021Tue 30 Mar 2021Wed 31 Mar 2021Thu 1 Apr 2021Fri 2 Apr 2021Sat 3 Apr 2021Sun 4 Apr 2021Mon 5 Apr 2021Tue 6 Apr 2021Wed 7 Apr 2021Thu 8 Apr 2021Fri 9 Apr 2021Sat 10 Apr 2021
FedNow ServiceFedNow Service open Sun 14 Mar 2021FedNow Service open Mon 15 Mar 2021FedNow Service open Tue 16 Mar 2021FedNow Service open Wed 17 Mar 2021FedNow Service open Thu 18 Mar 2021FedNow Service open Fri 19 Mar 2021FedNow Service open Sat 20 Mar 2021FedNow Service open Sun 21 Mar 2021FedNow Service open Mon 22 Mar 2021FedNow Service open Tue 23 Mar 2021FedNow Service open Wed 24 Mar 2021FedNow Service open Thu 25 Mar 2021FedNow Service open Fri 26 Mar 2021FedNow Service open Sat 27 Mar 2021FedNow Service open Sun 28 Mar 2021FedNow Service open Mon 29 Mar 2021FedNow Service open Tue 30 Mar 2021FedNow Service open Wed 31 Mar 2021FedNow Service open Thu 1 Apr 2021FedNow Service open Fri 2 Apr 2021FedNow Service open Sat 3 Apr 2021FedNow Service open Sun 4 Apr 2021FedNow Service open Mon 5 Apr 2021FedNow Service open Tue 6 Apr 2021FedNow Service open Wed 7 Apr 2021FedNow Service open Thu 8 Apr 2021FedNow Service open Fri 9 Apr 2021FedNow Service open Sat 10 Apr 2021
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sun 21 Mar 2021

Sunday 21 March 2021 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)CHAPS closed for the weekend Sun 21 Mar 2021Weekend
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed for the weekend Sun 21 Mar 2021Weekend
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 Mar 2021

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2021-03-21. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2021-03-21

Questions people ask

What is the next FedNow Service business day after Sunday 21 March 2021?

The next FedNow Service business day is Monday 22 March 2021.

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/2021-03-21

{
  "date": "2021-03-21",
  "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