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Is Monday 31 May 2027 a CHAPS business day?

No: Monday 31 May 2027 is not a CHAPS business day, because CHAPS is closed for Spring bank holiday, according to GOV.UK (Government Digital Service); CHAPS reopens on Tuesday 1 June 2027 at 06:00 Europe/London (Zeitwide release 2026.11.03.1).

28 days of CHAPS around Mon 31 May 2027

CHAPS, Mon 24 May 2027 to Sun 20 Jun 2027
CalendarMon 24 May 2027Tue 25 May 2027Wed 26 May 2027Thu 27 May 2027Fri 28 May 2027Sat 29 May 2027Sun 30 May 2027Mon 31 May 2027Tue 1 Jun 2027Wed 2 Jun 2027Thu 3 Jun 2027Fri 4 Jun 2027Sat 5 Jun 2027Sun 6 Jun 2027Mon 7 Jun 2027Tue 8 Jun 2027Wed 9 Jun 2027Thu 10 Jun 2027Fri 11 Jun 2027Sat 12 Jun 2027Sun 13 Jun 2027Mon 14 Jun 2027Tue 15 Jun 2027Wed 16 Jun 2027Thu 17 Jun 2027Fri 18 Jun 2027Sat 19 Jun 2027Sun 20 Jun 2027
CHAPSCHAPS open Mon 24 May 2027CHAPS open Tue 25 May 2027CHAPS open Wed 26 May 2027CHAPS open Thu 27 May 2027CHAPS open Fri 28 May 2027CHAPS closed for the weekend Sat 29 May 2027CHAPS closed for the weekend Sun 30 May 2027CHAPS closed Mon 31 May 2027: Spring bank holidayCHAPS open Tue 1 Jun 2027CHAPS open Wed 2 Jun 2027CHAPS open Thu 3 Jun 2027CHAPS open Fri 4 Jun 2027CHAPS closed for the weekend Sat 5 Jun 2027CHAPS closed for the weekend Sun 6 Jun 2027CHAPS open Mon 7 Jun 2027CHAPS open Tue 8 Jun 2027CHAPS open Wed 9 Jun 2027CHAPS open Thu 10 Jun 2027CHAPS open Fri 11 Jun 2027CHAPS closed for the weekend Sat 12 Jun 2027CHAPS closed for the weekend Sun 13 Jun 2027CHAPS open Mon 14 Jun 2027CHAPS open Tue 15 Jun 2027CHAPS open Wed 16 Jun 2027CHAPS open Thu 17 Jun 2027CHAPS open Fri 18 Jun 2027CHAPS closed for the weekend Sat 19 Jun 2027CHAPS closed for the weekend Sun 20 Jun 2027
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Other calendars on Mon 31 May 2027

Monday 31 May 2027 on 7 other calendars
CalendarStatusWhy
Germany: nationwide public holidays (DE)Germany: nationwide public holidays open Mon 31 May 2027Business day
T2 (TARGET RTGS) (EU-T2)T2 (TARGET RTGS) open Mon 31 May 2027Business day
England and Wales bank holidays (GB-EAW)England and Wales bank holidays closed Mon 31 May 2027: Spring bank holidaySpring bank holiday
FedACH Services (US-FEDACH)FedACH Services closed Mon 31 May 2027: Memorial DayMemorial Day
US federal holidays (US-FEDERAL)US federal holidays closed Mon 31 May 2027: Memorial DayMemorial Day
FedNow Service (US-FEDNOW)FedNow Service open Mon 31 May 2027Business day
Fedwire Funds Service (US-FEDWIRE)Fedwire Funds Service closed Mon 31 May 2027: Memorial DayMemorial Day

Sources

Zeitwide release 2026.11.03.1. Evidence and signed receipt for CHAPS on Mon 31 May 2027

Cite this answer
Zeitwide (2026). GB-CHAPS on 2027-05-31. Release 2026.11.03.1. https://zeitwide.com/calendars/GB-CHAPS/2027-05-31

Questions people ask

When does CHAPS reopen after Monday 31 May 2027?

CHAPS reopens on Tuesday 1 June 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?

GOV.UK (Government Digital Service), last read 28 Oct 2026, 15:46 UTC. Zeitwide projected this date from the operator's published rules; the operator has not listed it yet. It is in Zeitwide release 2026.11.03.1.

The same answer from the API

curl https://api.zeitwide.com/v1/calendars/GB-CHAPS/days/2027-05-31

{
  "date": "2027-05-31",
  "is_business_day": false,
  "reason": "Spring bank holiday",
  "dataset_release": "2026.11.03.1"
}

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