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Is Friday 31 December 2027 a CHAPS business day?

Yes: Friday 31 December 2027 is a CHAPS business day, as no closure for it appears in GOV.UK (Government Digital Service); the next CHAPS business day is beyond Zeitwide's published range (Zeitwide release 2026.11.03.1).

28 days of CHAPS around Fri 31 Dec 2027

CHAPS, Sat 4 Dec 2027 to Fri 31 Dec 2027
CalendarSat 4 Dec 2027Sun 5 Dec 2027Mon 6 Dec 2027Tue 7 Dec 2027Wed 8 Dec 2027Thu 9 Dec 2027Fri 10 Dec 2027Sat 11 Dec 2027Sun 12 Dec 2027Mon 13 Dec 2027Tue 14 Dec 2027Wed 15 Dec 2027Thu 16 Dec 2027Fri 17 Dec 2027Sat 18 Dec 2027Sun 19 Dec 2027Mon 20 Dec 2027Tue 21 Dec 2027Wed 22 Dec 2027Thu 23 Dec 2027Fri 24 Dec 2027Sat 25 Dec 2027Sun 26 Dec 2027Mon 27 Dec 2027Tue 28 Dec 2027Wed 29 Dec 2027Thu 30 Dec 2027Fri 31 Dec 2027
CHAPSCHAPS closed for the weekend Sat 4 Dec 2027CHAPS closed for the weekend Sun 5 Dec 2027CHAPS open Mon 6 Dec 2027CHAPS open Tue 7 Dec 2027CHAPS open Wed 8 Dec 2027CHAPS open Thu 9 Dec 2027CHAPS open Fri 10 Dec 2027CHAPS closed for the weekend Sat 11 Dec 2027CHAPS closed for the weekend Sun 12 Dec 2027CHAPS open Mon 13 Dec 2027CHAPS open Tue 14 Dec 2027CHAPS open Wed 15 Dec 2027CHAPS open Thu 16 Dec 2027CHAPS open Fri 17 Dec 2027CHAPS closed for the weekend Sat 18 Dec 2027CHAPS closed for the weekend Sun 19 Dec 2027CHAPS open Mon 20 Dec 2027CHAPS open Tue 21 Dec 2027CHAPS open Wed 22 Dec 2027CHAPS open Thu 23 Dec 2027CHAPS open Fri 24 Dec 2027CHAPS closed for the weekend Sat 25 Dec 2027CHAPS closed for the weekend Sun 26 Dec 2027CHAPS closed Mon 27 Dec 2027: Christmas Day (Substitute day)CHAPS closed Tue 28 Dec 2027: Boxing Day (Substitute day)CHAPS open Wed 29 Dec 2027CHAPS open Thu 30 Dec 2027CHAPS open Fri 31 Dec 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Fri 31 Dec 2027

Friday 31 December 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Fri 31 Dec 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Fri 31 Dec 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays open Fri 31 Dec 2027Business day
FedACH Services (US-FEDACH)FedACH Services open Fri 31 Dec 2027Business day
US federal holidays (US-FEDERAL)US federal holidays closed Fri 31 Dec 2027: New Year's DayNew Year's Day
FedNow Service (US-FEDNOW)FedNow Service open Fri 31 Dec 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service open Fri 31 Dec 2027Business day

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 Fri 31 Dec 2027

Cite this answer
Zeitwide (2026). GB-CHAPS on 2027-12-31. Release 2026.11.03.1. https://zeitwide.com/calendars/GB-CHAPS/2027-12-31

Questions people ask

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/2027-12-31

{
  "date": "2027-12-31",
  "is_business_day": true,
  "dataset_release": "2026.11.03.1"
}

Agents get it from the is_business_day MCP tool. The developer quickstart covers keys, MCP and webhooks