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Is Sunday 31 December 2023 a FedNow Service business day?

Yes: Sunday 31 December 2023 is a FedNow Service business day; the next FedNow Service business day is Monday 1 January 2024 (Zeitwide release 2026.11.04.1).

28 days of FedNow Service around Sun 31 Dec 2023

FedNow Service, Sun 24 Dec 2023 to Sat 20 Jan 2024
CalendarSun 24 Dec 2023Mon 25 Dec 2023Tue 26 Dec 2023Wed 27 Dec 2023Thu 28 Dec 2023Fri 29 Dec 2023Sat 30 Dec 2023Sun 31 Dec 2023Mon 1 Jan 2024Tue 2 Jan 2024Wed 3 Jan 2024Thu 4 Jan 2024Fri 5 Jan 2024Sat 6 Jan 2024Sun 7 Jan 2024Mon 8 Jan 2024Tue 9 Jan 2024Wed 10 Jan 2024Thu 11 Jan 2024Fri 12 Jan 2024Sat 13 Jan 2024Sun 14 Jan 2024Mon 15 Jan 2024Tue 16 Jan 2024Wed 17 Jan 2024Thu 18 Jan 2024Fri 19 Jan 2024Sat 20 Jan 2024
FedNow ServiceFedNow Service open Sun 24 Dec 2023FedNow Service open Mon 25 Dec 2023FedNow Service open Tue 26 Dec 2023FedNow Service open Wed 27 Dec 2023FedNow Service open Thu 28 Dec 2023FedNow Service open Fri 29 Dec 2023FedNow Service open Sat 30 Dec 2023FedNow Service open Sun 31 Dec 2023FedNow Service open Mon 1 Jan 2024FedNow Service open Tue 2 Jan 2024FedNow Service open Wed 3 Jan 2024FedNow Service open Thu 4 Jan 2024FedNow Service open Fri 5 Jan 2024FedNow Service open Sat 6 Jan 2024FedNow Service open Sun 7 Jan 2024FedNow Service open Mon 8 Jan 2024FedNow Service open Tue 9 Jan 2024FedNow Service open Wed 10 Jan 2024FedNow Service open Thu 11 Jan 2024FedNow Service open Fri 12 Jan 2024FedNow Service open Sat 13 Jan 2024FedNow Service open Sun 14 Jan 2024FedNow Service open Mon 15 Jan 2024FedNow Service open Tue 16 Jan 2024FedNow Service open Wed 17 Jan 2024FedNow Service open Thu 18 Jan 2024FedNow Service open Fri 19 Jan 2024FedNow Service open Sat 20 Jan 2024
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Sun 31 Dec 2023

Sunday 31 December 2023 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 31 Dec 2023Weekend
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed for the weekend Sun 31 Dec 2023Weekend
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 31 Dec 2023

FedNow Service has no published revision yet.

Cite this answer
Zeitwide (2026). US-FEDNOW on 2023-12-31. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDNOW/2023-12-31

Questions people ask

What is the next FedNow Service business day after Sunday 31 December 2023?

The next FedNow Service business day is Monday 1 January 2024.

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/2023-12-31

{
  "date": "2023-12-31",
  "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