London to Guelma time converter

London and Guelma are on the same time. When it is 9:00 AM in London, it is 9:00 AM in Guelma.

London BST

Tuesday, October 20, 2026

Guelma CET

Tuesday, October 20, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Guelma
Algeria
Tue, Oct 20
CETUTC+1±0
Finding your time zone…
Shared working hours (9:00–18:00)

London to Guelma conversion table

Every hour of today in London and the matching time in Guelma. Light rows are typical working hours (9:00–18:00).

LondonGuelma
12:00 AM12:00 AM
1:00 AM1:00 AM
2:00 AM2:00 AM
3:00 AM3:00 AM
4:00 AM4:00 AM
5:00 AM5:00 AM
6:00 AM6:00 AM
7:00 AM7:00 AM
8:00 AM8:00 AM
9:00 AM9:00 AM
10:00 AM10:00 AM
11:00 AM11:00 AM
12:00 PM12:00 PM
1:00 PM1:00 PM
2:00 PM2:00 PM
3:00 PM3:00 PM
4:00 PM4:00 PM
5:00 PM5:00 PM
6:00 PM6:00 PM
7:00 PM7:00 PM
8:00 PM8:00 PM
9:00 PM9:00 PM
10:00 PM10:00 PM
11:00 PM11:00 PM

Best time to call or meet

Both sides are at work from 9:00 AM – 6:00 PM in London (9:00 AM – 6:00 PM in Guelma).

Daylight saving time and the difference

The difference changes during the year because London and Guelma switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: ±0
  • Oct 25, 2026 – Mar 28, 2027: +1h
  • Mar 28, 2027 – Oct 20, 2027: ±0

Distance

London and Guelma are 1,777 km (1,104 miles) apart in a straight line.

More conversions

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New York to GuelmaLos Angeles to GuelmaChicago to GuelmaToronto to GuelmaSão Paulo to GuelmaParis to GuelmaBerlin to GuelmaMoscow to GuelmaDubai to GuelmaNew Delhi to GuelmaBangkok to GuelmaSingapore to Guelma

Questions and answers

What is the time difference between London and Guelma?

London and Guelma are on the same time.

What time is it in Guelma when it is 9 AM in London?

When it is 9:00 AM in London, it is 9:00 AM in Guelma.

When is the best time to call Guelma from London?

Both sides are at work from 9:00 AM – 6:00 PM in London (9:00 AM – 6:00 PM in Guelma).

Does the time difference between London and Guelma change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.