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Is Tuesday 28 September 2027 a US federal holidays business day?

Yes: Tuesday 28 September 2027 is a US federal holidays business day, as no closure for it appears in U.S. Office of Personnel Management; the next US federal holidays business day is Wednesday 29 September 2027 (Zeitwide release 2026.11.03.1).

28 days of US federal holidays around Tue 28 Sept 2027

US federal holidays, Tue 21 Sept 2027 to Mon 18 Oct 2027
CalendarTue 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 2027Tue 12 Oct 2027Wed 13 Oct 2027Thu 14 Oct 2027Fri 15 Oct 2027Sat 16 Oct 2027Sun 17 Oct 2027Mon 18 Oct 2027
US federal holidaysUS federal holidays open Tue 21 Sept 2027US federal holidays open Wed 22 Sept 2027US federal holidays open Thu 23 Sept 2027US federal holidays open Fri 24 Sept 2027US federal holidays closed for the weekend Sat 25 Sept 2027US federal holidays closed for the weekend Sun 26 Sept 2027US federal holidays open Mon 27 Sept 2027US federal holidays open Tue 28 Sept 2027US federal holidays open Wed 29 Sept 2027US federal holidays open Thu 30 Sept 2027US federal holidays open Fri 1 Oct 2027US federal holidays closed for the weekend Sat 2 Oct 2027US federal holidays closed for the weekend Sun 3 Oct 2027US federal holidays open Mon 4 Oct 2027US federal holidays open Tue 5 Oct 2027US federal holidays open Wed 6 Oct 2027US federal holidays open Thu 7 Oct 2027US federal holidays open Fri 8 Oct 2027US federal holidays closed for the weekend Sat 9 Oct 2027US federal holidays closed for the weekend Sun 10 Oct 2027US federal holidays closed Mon 11 Oct 2027: Columbus DayUS federal holidays open Tue 12 Oct 2027US federal holidays open Wed 13 Oct 2027US federal holidays open Thu 14 Oct 2027US federal holidays open Fri 15 Oct 2027US federal holidays closed for the weekend Sat 16 Oct 2027US federal holidays closed for the weekend Sun 17 Oct 2027US federal holidays open Mon 18 Oct 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Tue 28 Sept 2027

Tuesday 28 September 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Tue 28 Sept 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Tue 28 Sept 2027Business day
CHAPS (GB-CHAPS)CHAPS open Tue 28 Sept 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Tue 28 Sept 2027Business day
FedACH Services (US-FEDACH)FedACH Services open Tue 28 Sept 2027Business day
FedNow Service (US-FEDNOW)FedNow Service open Tue 28 Sept 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service open Tue 28 Sept 2027Business day

Sources

No entry decides this date, so US federal holidays's weekend rule does. US federal holidays is closed every Saturday and Sunday.

Zeitwide release 2026.11.03.1. Evidence and signed receipt for US federal holidays on Tue 28 Sept 2027

Cite this answer
Zeitwide (2026). US-FEDERAL on 2027-09-28. Release 2026.11.03.1. https://zeitwide.com/calendars/US-FEDERAL/2027-09-28

Questions people ask

What is the next US federal holidays business day after Tuesday 28 September 2027?

The next US federal holidays business day is Wednesday 29 September 2027.

Which days is US federal holidays closed?

US federal holidays is closed every Saturday and Sunday. It also closes on the holidays published by U.S. Office of Personnel Management.

Where does this answer come from?

The calendar's weekend rule and no closure for it in U.S. Office of Personnel Management, in Zeitwide release 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2027-09-28

{
  "date": "2027-09-28",
  "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