London to Nagapattinam time converter

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

London BST

Wednesday, October 21, 2026

Nagapattinam IST

Wednesday, October 21, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Nagapattinam
Tamil Nadu, India
Wed, Oct 21
ISTUTC+5:30+4h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

London to Nagapattinam conversion table

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

LondonNagapattinam
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 Nagapattinam).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: +4h 30m
  • Oct 25, 2026 – Mar 28, 2027: +5h 30m
  • Mar 28, 2027 – Oct 21, 2027: +4h 30m

Distance

London and Nagapattinam are 8,380 km (5,207 miles) apart in a straight line.

More conversions

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New York to NagapattinamLos Angeles to NagapattinamChicago to NagapattinamToronto to NagapattinamSão Paulo to NagapattinamParis to NagapattinamBerlin to NagapattinamMoscow to NagapattinamDubai to NagapattinamNew Delhi to NagapattinamBangkok to NagapattinamSingapore to Nagapattinam

Questions and answers

What is the time difference between London and Nagapattinam?

Nagapattinam is 4 hours 30 minutes ahead of London.

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

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

When is the best time to call Nagapattinam from London?

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

Does the time difference between London and Nagapattinam change?

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