Is Sunday 28 December 2025 a FedNow Service business day?
Yes.
FedNow Service is open for settlement.
Open
- Next business day
- Mon 29 Dec 2025
- Previous business day
- Sat 27 Dec 2025
Decided by the weekend rule: no weekend days are closed on FedNow Service.
release 2026.10.29.1
Sun 28 Dec on 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 | No data | Outside this calendar's sources |
| England and Wales bank holidays GB-EAW | No data | Outside this calendar's sources |
| FedACH Services US-FEDACH | No data | Outside this calendar's sources |
| US federal holidays US-FEDERAL | No data | Outside this calendar's sources |
| Fedwire Funds Service US-FEDWIRE | No data | Outside this calendar's sources |
Get this answer in code
curl -H "Authorization: Bearer $ZEITWIDE_API_KEY" \
https://api.zeitwide.com/v1/calendars/US-FEDNOW/days/2025-12-28
{
"date": "2025-12-28",
"is_business_day": true,
"dataset_release": "2026.10.29.1"
}Agents get the same answer from the is_business_day MCP tool. Developer quickstart
Questions people ask
- Is Sunday 28 December 2025 a FedNow Service business day?
- Yes. FedNow Service is open for settlement on Sunday 28 December 2025. Next business day: Mon 29 Dec 2025. Previous: Sat 27 Dec 2025. Backed by official sources.
- Can I be warned about changes like this?
- Yes. Sign in and add FedNow Service to an alert rule for webhook alerts.