Is Saturday 12 December 2026 a US federal holidays business day?

No.

US federal holidays does not settle at weekends.

Weekend

Next business day: Mon 14 Dec 2026
Previous business day: Fri 11 Dec 2026

Decided by the weekend rule: saturday and sunday are closed on US federal holidays.

release 2026.10.29.1

How we know

Around this date

Open
Closed
Weekend
Holiday on a weekend

Sat 12 Dec on other calendars

Calendar	Status	Why
Germany: nationwide public holidays DE	No data	Outside this calendar's sources
T2 (TARGET RTGS) EU-T2	Weekend	Weekend
CHAPS GB-CHAPS	Weekend	Weekend
England and Wales bank holidays GB-EAW	Weekend	Weekend
FedACH Services US-FEDACH	Weekend	Weekend
FedNow Service US-FEDNOW	Open	Business day
Fedwire Funds Service US-FEDWIRE	Weekend	Weekend

Get this answer in code

curl -H "Authorization: Bearer $ZEITWIDE_API_KEY" \
  https://api.zeitwide.com/v1/calendars/US-FEDERAL/days/2026-12-12

{
  "date": "2026-12-12",
  "is_business_day": false,
  "dataset_release": "2026.10.29.1"
}

Agents get the same answer from the is_business_day MCP tool. Developer quickstart

Questions people ask

Is Saturday 12 December 2026 a US federal holidays business day?: No. Saturday 12 December 2026 is a weekend day, and US federal holidays does not settle at weekends. Next business day: Mon 14 Dec 2026. Previous: Fri 11 Dec 2026. Backed by official sources.
When does US federal holidays settle again?: Monday 14 December 2026.
Can I be warned about changes like this?: Yes. Sign in and add US federal holidays to an alert rule for webhook alerts.