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Is Monday 18 September 2028 a FedNow Service business day?

Yes: Monday 18 September 2028 is a FedNow Service business day; the next FedNow Service business day is Tuesday 19 September 2028 (Zeitwide release 2026.11.03.1).

28 days of FedNow Service around Mon 18 Sept 2028

FedNow Service, Mon 11 Sept 2028 to Sun 8 Oct 2028
CalendarMon 11 Sept 2028Tue 12 Sept 2028Wed 13 Sept 2028Thu 14 Sept 2028Fri 15 Sept 2028Sat 16 Sept 2028Sun 17 Sept 2028Mon 18 Sept 2028Tue 19 Sept 2028Wed 20 Sept 2028Thu 21 Sept 2028Fri 22 Sept 2028Sat 23 Sept 2028Sun 24 Sept 2028Mon 25 Sept 2028Tue 26 Sept 2028Wed 27 Sept 2028Thu 28 Sept 2028Fri 29 Sept 2028Sat 30 Sept 2028Sun 1 Oct 2028Mon 2 Oct 2028Tue 3 Oct 2028Wed 4 Oct 2028Thu 5 Oct 2028Fri 6 Oct 2028Sat 7 Oct 2028Sun 8 Oct 2028
FedNow ServiceFedNow Service open Mon 11 Sept 2028FedNow Service open Tue 12 Sept 2028FedNow Service open Wed 13 Sept 2028FedNow Service open Thu 14 Sept 2028FedNow Service open Fri 15 Sept 2028FedNow Service open Sat 16 Sept 2028FedNow Service open Sun 17 Sept 2028FedNow Service open Mon 18 Sept 2028FedNow Service open Tue 19 Sept 2028FedNow Service open Wed 20 Sept 2028FedNow Service open Thu 21 Sept 2028FedNow Service open Fri 22 Sept 2028FedNow Service open Sat 23 Sept 2028FedNow Service open Sun 24 Sept 2028FedNow Service open Mon 25 Sept 2028FedNow Service open Tue 26 Sept 2028FedNow Service open Wed 27 Sept 2028FedNow Service open Thu 28 Sept 2028FedNow Service open Fri 29 Sept 2028FedNow Service open Sat 30 Sept 2028FedNow Service open Sun 1 Oct 2028FedNow Service open Mon 2 Oct 2028FedNow Service open Tue 3 Oct 2028FedNow Service open Wed 4 Oct 2028FedNow Service open Thu 5 Oct 2028FedNow Service open Fri 6 Oct 2028FedNow Service open Sat 7 Oct 2028FedNow Service open Sun 8 Oct 2028
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 18 Sept 2028

Monday 18 September 2028 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 2026.11.03.1. Evidence and signed receipt for FedNow Service on Mon 18 Sept 2028

Cite this answer
Zeitwide (2026). US-FEDNOW on 2028-09-18. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDNOW/2028-09-18

Questions people ask

What is the next FedNow Service business day after Monday 18 September 2028?

The next FedNow Service business day is Tuesday 19 September 2028.

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/2028-09-18

{
  "date": "2028-09-18",
  "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