London to Porathissery time converter

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

London BST

Wednesday, October 21, 2026

Porathissery IST

Thursday, October 22, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Porathissery
Kerala, India
Thu, Oct 22
ISTUTC+5:30+4h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

London to Porathissery conversion table

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

LondonPorathissery
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 Porathissery).

Daylight saving time and the difference

The difference changes during the year because London and Porathissery 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 Porathissery are 8,162 km (5,072 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and Porathissery?

Porathissery is 4 hours 30 minutes ahead of London.

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

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

When is the best time to call Porathissery from London?

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

Does the time difference between London and Porathissery change?

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