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Is Monday 31 August 2026 a CHAPS business day?

No.

CHAPS is closed: Summer bank holiday.

ClosedProjected · 1 source
Next business day
Tue 1 Sept 2026
Previous business day
Fri 28 Aug 2026

Checked 28 Oct 2026, 15:46 UTC · release 2026.10.29.1

How we know

Around this date

  1. Mon 24, Monday 24 August 2026: open
  2. Tue 25, Tuesday 25 August 2026: open
  3. Wed 26, Wednesday 26 August 2026: open
  4. Thu 27, Thursday 27 August 2026: open
  5. Fri 28, Friday 28 August 2026: open
  6. Sat 29, Saturday 29 August 2026: weekend
  7. Sun 30, Sunday 30 August 2026: weekend
  8. Mon 31, Monday 31 August 2026: closed, Summer bank holiday
  9. Tue 1, Tuesday 1 September 2026: open
  10. Wed 2, Wednesday 2 September 2026: open
  11. Thu 3, Thursday 3 September 2026: open
  12. Fri 4, Friday 4 September 2026: open
  13. Sat 5, Saturday 5 September 2026: weekend
  14. Sun 6, Sunday 6 September 2026: weekend
  15. Mon 7, Monday 7 September 2026: open
  16. Tue 8, Tuesday 8 September 2026: open
  17. Wed 9, Wednesday 9 September 2026: open
  18. Thu 10, Thursday 10 September 2026: open
  19. Fri 11, Friday 11 September 2026: open
  20. Sat 12, Saturday 12 September 2026: weekend
  21. Sun 13, Sunday 13 September 2026: weekend
  • Open
  • Closed
  • Weekend
  • Holiday on a weekend

Mon 31 Aug on other calendars

CalendarStatusWhy
Germany: nationwide public holidays DENo dataOutside this calendar's sources
T2 (TARGET RTGS) EU-T2OpenBusiness day
England and Wales bank holidays GB-EAWClosedSummer bank holiday
FedACH Services US-FEDACHOpenBusiness day
US federal holidays US-FEDERALOpenBusiness day
FedNow Service US-FEDNOWOpenBusiness day
Fedwire Funds Service US-FEDWIREOpenBusiness day

Get this answer in code

curl -H "Authorization: Bearer $ZEITWIDE_API_KEY" \
  https://api.zeitwide.com/v1/calendars/GB-CHAPS/days/2026-08-31

{
  "date": "2026-08-31",
  "is_business_day": false,
  "reason": "Summer bank holiday",
  "basis": "projected",
  "dataset_release": "2026.10.29.1"
}

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

Questions people ask

Is Monday 31 August 2026 a CHAPS business day?
No. CHAPS is closed on Monday 31 August 2026: Summer bank holiday. Next business day: Tue 1 Sept 2026. Previous: Fri 28 Aug 2026. Backed by official sources.
When does CHAPS settle again?
Tuesday 1 September 2026.
Can I be warned about changes like this?
Yes. Sign in and add CHAPS to an alert rule for webhook alerts.