Is Sunday 26 December 2027 a CHAPS business day?
No: Sunday 26 December 2027 is not a CHAPS business day, because CHAPS is closed at weekends; CHAPS reopens on Wednesday 29 December 2027 at 06:00 Europe/London (Zeitwide release 2026.11.03.1).
28 days of CHAPS around Sun 26 Dec 2027
- Open
- Closed
- Weekend
- Holiday on a weekend
Other calendars on Sun 26 Dec 2027
| Calendar | Status | Why |
|---|---|---|
| Germany: nationwide public holidays (DE) | Germany: nationwide public holidays closed for the weekend and a holiday Sun 26 Dec 2027: Boxing Day | Boxing Day |
| T2 (TARGET RTGS) (EU-T2) | T2 (TARGET RTGS) closed for the weekend and a holiday Sun 26 Dec 2027: Christmas Holiday (TARGET closing day) | Christmas Holiday (TARGET closing day) |
| England and Wales bank holidays (GB-EAW) | England and Wales bank holidays closed for the weekend Sun 26 Dec 2027 | Weekend |
| FedACH Services (US-FEDACH) | FedACH Services closed for the weekend Sun 26 Dec 2027 | Weekend |
| US federal holidays (US-FEDERAL) | US federal holidays closed for the weekend Sun 26 Dec 2027 | Weekend |
| FedNow Service (US-FEDNOW) | FedNow Service open Sun 26 Dec 2027 | Business day |
| Fedwire Funds Service (US-FEDWIRE) | Fedwire Funds Service closed for the weekend Sun 26 Dec 2027 | Weekend |
Sources
No entry decides this date, so CHAPS's weekend rule does. CHAPS is closed every Saturday and Sunday.
Zeitwide release 2026.11.03.1. Evidence and signed receipt for CHAPS on Sun 26 Dec 2027
Zeitwide (2026). GB-CHAPS on 2027-12-26. Release 2026.11.03.1. https://zeitwide.com/calendars/GB-CHAPS/2027-12-26
Questions people ask
When does CHAPS reopen after Sunday 26 December 2027?
CHAPS reopens on Wednesday 29 December 2027 at 06:00 Europe/London.
What are CHAPS's operating hours?
CHAPS is open from 06:00 to 18:00 Europe/London on business days.
Where does this answer come from?
The calendar's weekend rule and no closure for it in GOV.UK (Government Digital Service), in Zeitwide release 2026.11.03.1.
The same answer from the API
curl https://api.zeitwide.com/v1/calendars/GB-CHAPS/days/2027-12-26
{
"date": "2027-12-26",
"is_business_day": false,
"dataset_release": "2026.11.03.1"
}Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks