# Is Sunday 21 September 2025 a US federal holidays business day?

No: Sunday 21 September 2025 is not a US federal holidays business day, because US federal holidays is closed at weekends; US federal holidays reopens on Monday 22 September 2025 (Zeitwide release 2026.11.04.1).

## 28 days of US federal holidays around Sun 21 Sept 2025

US federal holidays, Sun 14 Sept 2025 to Sat 11 Oct 2025

| Date | US federal holidays |
| --- | --- |
| [Sun 14 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-14) | US federal holidays closed for the weekend Sun 14 Sept 2025 |
| [Mon 15 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-15) | US federal holidays open Mon 15 Sept 2025 |
| [Tue 16 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-16) | US federal holidays open Tue 16 Sept 2025 |
| [Wed 17 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-17) | US federal holidays open Wed 17 Sept 2025 |
| [Thu 18 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-18) | US federal holidays open Thu 18 Sept 2025 |
| [Fri 19 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-19) | US federal holidays open Fri 19 Sept 2025 |
| [Sat 20 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-20) | US federal holidays closed for the weekend Sat 20 Sept 2025 |
| [Sun 21 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-21) | US federal holidays closed for the weekend Sun 21 Sept 2025 (this date) |
| [Mon 22 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-22) | US federal holidays open Mon 22 Sept 2025 |
| [Tue 23 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-23) | US federal holidays open Tue 23 Sept 2025 |
| [Wed 24 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-24) | US federal holidays open Wed 24 Sept 2025 |
| [Thu 25 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-25) | US federal holidays open Thu 25 Sept 2025 |
| [Fri 26 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-26) | US federal holidays open Fri 26 Sept 2025 |
| [Sat 27 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-27) | US federal holidays closed for the weekend Sat 27 Sept 2025 |
| [Sun 28 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-28) | US federal holidays closed for the weekend Sun 28 Sept 2025 |
| [Mon 29 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-29) | US federal holidays open Mon 29 Sept 2025 |
| [Tue 30 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-30) | US federal holidays open Tue 30 Sept 2025 |
| [Wed 1 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-01) | US federal holidays open Wed 1 Oct 2025 |
| [Thu 2 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-02) | US federal holidays open Thu 2 Oct 2025 |
| [Fri 3 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-03) | US federal holidays open Fri 3 Oct 2025 |
| [Sat 4 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-04) | US federal holidays closed for the weekend Sat 4 Oct 2025 |
| [Sun 5 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-05) | US federal holidays closed for the weekend Sun 5 Oct 2025 |
| [Mon 6 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-06) | US federal holidays open Mon 6 Oct 2025 |
| [Tue 7 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-07) | US federal holidays open Tue 7 Oct 2025 |
| [Wed 8 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-08) | US federal holidays open Wed 8 Oct 2025 |
| [Thu 9 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-09) | US federal holidays open Thu 9 Oct 2025 |
| [Fri 10 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-10) | US federal holidays open Fri 10 Oct 2025 |
| [Sat 11 Oct 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-10-11) | US federal holidays closed for the weekend Sat 11 Oct 2025 |

## Other calendars on Sun 21 Sept 2025

Sunday 21 September 2025 on 7 other calendars

| Calendar | Status | Why |
| --- | --- | --- |
| Germany: nationwide public holidays (DE) | No data | Outside this calendar's sources |
| T2 (TARGET RTGS) (EU-T2) | No data | Outside this calendar's sources |
| CHAPS (GB-CHAPS) | [CHAPS closed for the weekend Sun 21 Sept 2025](https://zeitwide.com/calendars/GB-CHAPS/2025-09-21) | Weekend |
| England and Wales bank holidays (GB-EAW) | [England and Wales bank holidays closed for the weekend Sun 21 Sept 2025](https://zeitwide.com/calendars/GB-EAW/2025-09-21) | Weekend |
| FedACH Services (US-FEDACH) | No data | Outside this calendar's sources |
| FedNow Service (US-FEDNOW) | [FedNow Service open Sun 21 Sept 2025](https://zeitwide.com/calendars/US-FEDNOW/2025-09-21) | Business day |
| Fedwire Funds Service (US-FEDWIRE) | No data | Outside this calendar's sources |

## Questions people ask

**When does US federal holidays reopen after Sunday 21 September 2025?**
US federal holidays reopens on Monday 22 September 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.

## 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.

US federal holidays revision 44, published 3 Nov 2026, 14:35 UTC.

## Cite

Zeitwide (2026). US-FEDERAL on 2025-09-21. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2025-09-21