# Is Monday 15 September 2025 a US federal holidays business day?

Yes: Monday 15 September 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 Tuesday 16 September 2025 (Zeitwide release 2026.11.04.1).

## 28 days of US federal holidays around Mon 15 Sept 2025

US federal holidays, Mon 8 Sept 2025 to Sun 5 Oct 2025

| Date | US federal holidays |
| --- | --- |
| [Mon 8 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-08) | US federal holidays open Mon 8 Sept 2025 |
| [Tue 9 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-09) | US federal holidays open Tue 9 Sept 2025 |
| [Wed 10 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-10) | US federal holidays open Wed 10 Sept 2025 |
| [Thu 11 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-11) | US federal holidays open Thu 11 Sept 2025 |
| [Fri 12 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-12) | US federal holidays open Fri 12 Sept 2025 |
| [Sat 13 Sept 2025](https://zeitwide.com/calendars/US-FEDERAL/2025-09-13) | US federal holidays closed for the weekend Sat 13 Sept 2025 |
| [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 (this date) |
| [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 |
| [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 |

## Other calendars on Mon 15 Sept 2025

Monday 15 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 open Mon 15 Sept 2025](https://zeitwide.com/calendars/GB-CHAPS/2025-09-15) | Business day |
| England and Wales bank holidays (GB-EAW) | [England and Wales bank holidays open Mon 15 Sept 2025](https://zeitwide.com/calendars/GB-EAW/2025-09-15) | Business day |
| FedACH Services (US-FEDACH) | No data | Outside this calendar's sources |
| FedNow Service (US-FEDNOW) | [FedNow Service open Mon 15 Sept 2025](https://zeitwide.com/calendars/US-FEDNOW/2025-09-15) | Business day |
| Fedwire Funds Service (US-FEDWIRE) | No data | Outside this calendar's sources |

## Questions people ask

**What is the next US federal holidays business day after Monday 15 September 2025?**
The next US federal holidays business day is Tuesday 16 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 2025-09-15. Release 2026.11.04.1. https://zeitwide.com/calendars/US-FEDERAL/2025-09-15