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IST to GMT converter

The UK is 5½ hours behind India in the British winter and 4½ hours behind from late March to late October, when Britain switches to summer time.

From
India
To
London
Live
IndiaIST
3:00 PM
 
Working hours
LondonGMT
9:30 AM
 
Working hours

London is 5 hours 30 minutes behind India in winter and 4 hours 30 minutes behind in summer.

Need a time that works for three or more people or cities? Plan a meeting →
Gap right now
4½ or 5½ hours
India ahead of the UK
Next change
Sun, Oct 25, 2026
The gap becomes 5 hours 30 minutes (London clocks go back)
UK 9 to 5:30 in IST
2:30 PM–11:00 PM
In winter; an hour earlier in UK summer
London markets open
1:30 PM / 12:30 PM
IST, winter / summer

Living in India, working to UK hours

Britain is the friendliest Western time zone for India. A UK working day lands in the Indian afternoon and evening rather than the middle of the night, which is why the “UK shift” is the one people in Indian offices actually ask for.

The UK shift

Teams serving British clients work from Indian lunchtime into the late evening.

  • 9 AM–5:30 PM UK, late Oct–late Mar = 2:30 PM–11:00 PM IST
  • 9 AM–5:30 PM UK, late Mar–late Oct = 1:30 PM–10:00 PM IST

Compared with a US East Coast shift, which runs past 2 or 3 AM in India, a UK shift usually ends before midnight, and cabs home are easier to find.

Applying to UK universities

UK deadlines are set in UK time, which lands late in the Indian evening.

  • UCAS’s January deadline is 6 PM UK time = 11:30 PM IST
  • A “midnight” UK deadline in winter closes at 5:29 AM (next day) IST
  • The same midnight deadline in summer closes at 4:29 AM (next day) IST

Submitting by the afternoon of the deadline day in India is the safe habit; servers get busy in the last hour.

Premier League kickoffs in India

English football suits Indian evenings, and the Saturday 3 PM games that are blacked out on UK TV are shown live in India.

  • 3 PM UK kickoff = 7:30 PM IST (Aug–Oct) or 8:30 PM IST (Nov–Mar)
  • 5:30 PM UK = 10:00 PM or 11:00 PM IST
  • 8 PM UK = 12:30 AM (next day) or 1:30 AM (next day) IST

Calling family in the UK

An Indian evening is a British afternoon, the easiest overlap for both.

  • India 7–10 PM = UK 1:30 PM–4:30 PM (winter) or 2:30 PM–5:30 PM (summer)
  • India 8 AM is only 2:30 AM in the UK in winter, too early for most

Two different clock-change weekends

India does not change its clocks. The UK does, on the last Sunday of March and the last Sunday of October. Those are different weekends from the US changes, so anyone in India working with both countries sees their schedule shift four times a year, not twice.

Autumn 2026: from Sunday 25 October the UK shift starts an hour later by the Indian clock; a week later, from Sunday 1 November, the US shift does the same. Spring 2027: the US shift moves an hour earlier from 14 March and the UK shift from 28 March.

“GMT” in a British email

People in Britain often write “GMT” all year when they really mean UK time. In summer the UK is actually on BST, GMT+1. So if a British colleague proposes “10 AM GMT” in July, they almost certainly mean 10 AM in London, which is 2:30 PM IST, not 3:30 PM. When it matters, reply with both times written out, or ask for the time “in London”.

Indian time to UK time, hour by hour

Read the GMT column in the British winter and the BST column from late March to late October. Shaded rows are when an Indian afternoon meets the British morning.

India (IST)UK on GMTlate Oct–late Mar, −5:30UK on BSTlate Mar–late Oct, −4:30
12:00 AM (midnight)6:30 PM prev. day7:30 PM prev. day
1:00 AM7:30 PM prev. day8:30 PM prev. day
2:00 AM8:30 PM prev. day9:30 PM prev. day
3:00 AM9:30 PM prev. day10:30 PM prev. day
4:00 AM10:30 PM prev. day11:30 PM prev. day
5:00 AM11:30 PM prev. day12:30 AM
6:00 AM12:30 AM1:30 AM
7:00 AM1:30 AM2:30 AM
8:00 AM2:30 AM3:30 AM
9:00 AM3:30 AM4:30 AM
10:00 AM4:30 AM5:30 AM
11:00 AM5:30 AM6:30 AM
12:00 PM (noon)6:30 AM7:30 AM
1:00 PM7:30 AM8:30 AM
2:00 PM8:30 AM9:30 AM
3:00 PM9:30 AM10:30 AM
4:00 PM10:30 AM11:30 AM
5:00 PM11:30 AM12:30 PM
6:00 PM12:30 PM1:30 PM
7:00 PM1:30 PM2:30 PM
8:00 PM2:30 PM3:30 PM
9:00 PM3:30 PM4:30 PM
10:00 PM4:30 PM5:30 PM
11:00 PM5:30 PM6:30 PM

“prev. day” marks Indian hours when the UK has not yet reached the same date.

Quick answers

When it is 3 PM in India, what time is it in London?

9:30 AM in the British winter (GMT) and 10:30 AM in the British summer (BST).

What are UK shift timings in IST?

A 9 AM to 5:30 PM UK day runs from 2:30 PM to 11:00 PM IST from late October to late March, and from 1:30 PM to 10:00 PM IST for the rest of the year.

What time does a 3 PM Premier League match start in India?

7:30 PM IST while the UK is on summer time (August to late October) and 8:30 PM IST from late October onwards.

What is the UCAS 6 PM deadline in Indian time?

The January UCAS deadline of 6 PM UK time is 11:30 PM IST, because the UK is on GMT in January.

Is London 4.5 or 5.5 hours behind India?

5.5 hours from late October to late March and 4.5 hours from late March to late October. The change comes from the UK; India stays on UTC+5:30.

What is 12 PM IST in GMT?

12 PM IST is 6:30 AM GMT. In UK summer that is 7:30 AM on London clocks.