London to Koothanallur time converter

Koothanallur is 4 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 1:30 PM in Koothanallur.

London BST

Tuesday, October 20, 2026

Koothanallur IST

Tuesday, October 20, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Koothanallur
Tamil Nadu, India
Tue, Oct 20
ISTUTC+5:30+4h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

London to Koothanallur conversion table

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

LondonKoothanallur
12:00 AM4:30 AM
1:00 AM5:30 AM
2:00 AM6:30 AM
3:00 AM7:30 AM
4:00 AM8:30 AM
5:00 AM9:30 AM
6:00 AM10:30 AM
7:00 AM11:30 AM
8:00 AM12:30 PM
9:00 AM1:30 PM
10:00 AM2:30 PM
11:00 AM3:30 PM
12:00 PM4:30 PM
1:00 PM5:30 PM
2:00 PM6:30 PM
3:00 PM7:30 PM
4:00 PM8:30 PM
5:00 PM9:30 PM
6:00 PM10:30 PM
7:00 PM11:30 PM
8:00 PM12:30 AM+1 day
9:00 PM1:30 AM+1 day
10:00 PM2:30 AM+1 day
11:00 PM3:30 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Koothanallur).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: +4h 30m
  • Oct 25, 2026 – Mar 28, 2027: +5h 30m
  • Mar 28, 2027 – Oct 20, 2027: +4h 30m

Distance

London and Koothanallur are 8,361 km (5,195 miles) apart in a straight line.

More conversions

Koothanallur to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to KoothanallurLos Angeles to KoothanallurChicago to KoothanallurToronto to KoothanallurSão Paulo to KoothanallurParis to KoothanallurBerlin to KoothanallurMoscow to KoothanallurDubai to KoothanallurNew Delhi to KoothanallurBangkok to KoothanallurSingapore to Koothanallur

Questions and answers

What is the time difference between London and Koothanallur?

Koothanallur is 4 hours 30 minutes ahead of London.

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

When it is 9:00 AM in London, it is 1:30 PM in Koothanallur.

When is the best time to call Koothanallur from London?

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Koothanallur).

Does the time difference between London and Koothanallur change?

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