Skip to content
Zeitwide
Sign inGet API key

Is Monday 4 September 2028 a Fedwire Funds Service business day?

No: Monday 4 September 2028 is not a Fedwire Funds Service business day, because Fedwire Funds Service is closed for Labor Day, according to Board of Governors of the Federal Reserve System and Federal Reserve Banks (Federal Reserve Financial Services); Fedwire Funds Service reopens on Tuesday 5 September 2028, whose business day opens at 21:00 America/New_York the evening before (Zeitwide release 2026.11.04.1).

28 days of Fedwire Funds Service around Mon 4 Sept 2028

Fedwire Funds Service, Mon 28 Aug 2028 to Sun 24 Sept 2028
CalendarMon 28 Aug 2028Tue 29 Aug 2028Wed 30 Aug 2028Thu 31 Aug 2028Fri 1 Sept 2028Sat 2 Sept 2028Sun 3 Sept 2028Mon 4 Sept 2028Tue 5 Sept 2028Wed 6 Sept 2028Thu 7 Sept 2028Fri 8 Sept 2028Sat 9 Sept 2028Sun 10 Sept 2028Mon 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 2028
Fedwire Funds ServiceFedwire Funds Service open Mon 28 Aug 2028Fedwire Funds Service open Tue 29 Aug 2028Fedwire Funds Service open Wed 30 Aug 2028Fedwire Funds Service open Thu 31 Aug 2028Fedwire Funds Service open Fri 1 Sept 2028Fedwire Funds Service closed for the weekend Sat 2 Sept 2028Fedwire Funds Service closed for the weekend Sun 3 Sept 2028Fedwire Funds Service closed Mon 4 Sept 2028: Labor DayFedwire Funds Service open Tue 5 Sept 2028Fedwire Funds Service open Wed 6 Sept 2028Fedwire Funds Service open Thu 7 Sept 2028Fedwire Funds Service open Fri 8 Sept 2028Fedwire Funds Service closed for the weekend Sat 9 Sept 2028Fedwire Funds Service closed for the weekend Sun 10 Sept 2028Fedwire Funds Service open Mon 11 Sept 2028Fedwire Funds Service open Tue 12 Sept 2028Fedwire Funds Service open Wed 13 Sept 2028Fedwire Funds Service open Thu 14 Sept 2028Fedwire Funds Service open Fri 15 Sept 2028Fedwire Funds Service closed for the weekend Sat 16 Sept 2028Fedwire Funds Service closed for the weekend Sun 17 Sept 2028Fedwire Funds Service open Mon 18 Sept 2028Fedwire Funds Service open Tue 19 Sept 2028Fedwire Funds Service open Wed 20 Sept 2028Fedwire Funds Service open Thu 21 Sept 2028Fedwire Funds Service open Fri 22 Sept 2028Fedwire Funds Service closed for the weekend Sat 23 Sept 2028Fedwire Funds Service closed for the weekend Sun 24 Sept 2028
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 4 Sept 2028

Monday 4 September 2028 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)No dataOutside this calendar's sources
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Mon 4 Sept 2028Business day
CHAPS (GB-CHAPS)CHAPS open Mon 4 Sept 2028Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Mon 4 Sept 2028Business day
FedACH Services (US-FEDACH)FedACH Services closed Mon 4 Sept 2028: Labor DayLabor Day
US federal holidays (US-FEDERAL)US federal holidays closed Mon 4 Sept 2028: Labor DayLabor Day
FedNow Service (US-FEDNOW)FedNow Service open Mon 4 Sept 2028Business day

Sources

Zeitwide release 2026.11.04.1. Evidence and signed receipt for Fedwire Funds Service on Mon 4 Sept 2028

Fedwire Funds Service revision 38, published .

Cite this answer
Zeitwide (2026). US-FEDWIRE on 2028-09-04. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDWIRE/2028-09-04

Questions people ask

When does Fedwire Funds Service reopen after Monday 4 September 2028?

Fedwire Funds Service reopens on Tuesday 5 September 2028, whose business day opens at 21:00 America/New_York the evening before.

What are Fedwire Funds Service's operating hours?

A Fedwire Funds Service business day runs from 21:00 America/New_York on the evening before to 19:00 on the day itself.

Where does this answer come from?

Board of Governors of the Federal Reserve System and Federal Reserve Banks (Federal Reserve Financial Services), last read 3 Nov 2026, 02:47 UTC. The operator published this date. It is in Zeitwide release 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDWIRE/days/2028-09-04

{
  "date": "2028-09-04",
  "is_business_day": false,
  "reason": "Labor Day",
  "dataset_release": "2026.11.04.1"
}

Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks