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Is Tuesday 18 March 2025 a US federal holidays business day?

Yes: Tuesday 18 March 2025 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 19 March 2025 (Zeitwide release 2026.11.04.1).

28 days of US federal holidays around Tue 18 Mar 2025

US federal holidays, Tue 11 Mar 2025 to Mon 7 Apr 2025
CalendarTue 11 Mar 2025Wed 12 Mar 2025Thu 13 Mar 2025Fri 14 Mar 2025Sat 15 Mar 2025Sun 16 Mar 2025Mon 17 Mar 2025Tue 18 Mar 2025Wed 19 Mar 2025Thu 20 Mar 2025Fri 21 Mar 2025Sat 22 Mar 2025Sun 23 Mar 2025Mon 24 Mar 2025Tue 25 Mar 2025Wed 26 Mar 2025Thu 27 Mar 2025Fri 28 Mar 2025Sat 29 Mar 2025Sun 30 Mar 2025Mon 31 Mar 2025Tue 1 Apr 2025Wed 2 Apr 2025Thu 3 Apr 2025Fri 4 Apr 2025Sat 5 Apr 2025Sun 6 Apr 2025Mon 7 Apr 2025
US federal holidaysUS federal holidays open Tue 11 Mar 2025US federal holidays open Wed 12 Mar 2025US federal holidays open Thu 13 Mar 2025US federal holidays open Fri 14 Mar 2025US federal holidays closed for the weekend Sat 15 Mar 2025US federal holidays closed for the weekend Sun 16 Mar 2025US federal holidays open Mon 17 Mar 2025US federal holidays open Tue 18 Mar 2025US federal holidays open Wed 19 Mar 2025US federal holidays open Thu 20 Mar 2025US federal holidays open Fri 21 Mar 2025US federal holidays closed for the weekend Sat 22 Mar 2025US federal holidays closed for the weekend Sun 23 Mar 2025US federal holidays open Mon 24 Mar 2025US federal holidays open Tue 25 Mar 2025US federal holidays open Wed 26 Mar 2025US federal holidays open Thu 27 Mar 2025US federal holidays open Fri 28 Mar 2025US federal holidays closed for the weekend Sat 29 Mar 2025US federal holidays closed for the weekend Sun 30 Mar 2025US federal holidays open Mon 31 Mar 2025US federal holidays open Tue 1 Apr 2025US federal holidays open Wed 2 Apr 2025US federal holidays open Thu 3 Apr 2025US federal holidays open Fri 4 Apr 2025US federal holidays closed for the weekend Sat 5 Apr 2025US federal holidays closed for the weekend Sun 6 Apr 2025US federal holidays open Mon 7 Apr 2025
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Tue 18 Mar 2025

Tuesday 18 March 2025 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 open Tue 18 Mar 2025Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Tue 18 Mar 2025Business day
FedACH Services (US-FEDACH)No dataOutside this calendar's sources
FedNow Service (US-FEDNOW)FedNow Service open Tue 18 Mar 2025Business day
Fedwire Funds Service (US-FEDWIRE)No dataOutside this calendar's sources

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 2026.11.04.1. Evidence and signed receipt for US federal holidays on Tue 18 Mar 2025

US federal holidays revision 44, published .

Cite this answer
Zeitwide (2026). US-FEDERAL on 2025-03-18. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2025-03-18

Questions people ask

What is the next US federal holidays business day after Tuesday 18 March 2025?

The next US federal holidays business day is Wednesday 19 March 2025.

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 2026.11.04.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2025-03-18

{
  "date": "2025-03-18",
  "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