IST to UK Time Converter

Runs in your browserConverters#Time#Productivity

Convert India time to UK time (GMT or BST), with British Summer Time handled for any date.

From

Date

Time

Loading the time now…

24-hour clock

Meeting plannerHours of the chosen day in India. Tap an hour in the first row to pick it.

Working hours from

Add a city

World clockThe time above in other cities. Your list is saved in this browser.

UTCUTC–
IndiaAsia/Kolkata–
New YorkAmerica/New_York–
Los AngelesAmerica/Los_Angeles–
LondonEurope/London–
DubaiAsia/Dubai–
SingaporeAsia/Singapore–
SydneyAustralia/Sydney–

Add a city

How to use, limits & privacy

About IST to UK Time Converter

Convert India Standard Time to UK time (London, Manchester, Edinburgh) for any date. The UK is 5 hours 30 minutes behind India in winter, on Greenwich Mean Time (GMT, UTC+0), and 4 hours 30 minutes behind during British Summer Time (BST, UTC+1), from the last Sunday of March to the last Sunday of October. India does not change its clocks. The tool applies the right offset for the date you choose and has a meeting planner that shows the afternoon-in-India hours that fall in the UK working day.

How to Use

Set the India time

India is already in From and London in To, at the time now in India. Change the Date and Time, or press Now for the current time.

Read the UK time

The result shows the time in London with GMT or BST, and a line saying how far behind India it is on that date.

Plan a meeting

Meeting planner lines up every hour of the chosen India day with London. With the default 9 am to 6 pm hours, the common slots are listed under "Everyone is in working hours".

Swap for UK time to IST

The swap button turns it round, so you can type a UK deadline or kick-off time and see it in IST.

Privacy & Processing

Mode: local
Files Leave Browser: Local tool processing; review details below
Max Input Size: Device memory limits
Account Required: No
Data Stored Locally: Nothing is saved unless you change the World clock list, which is kept in this browser.
Network Processing: Assets or models may require an initial download

Everything is worked out in your browser with its built-in time zone data. Nothing you enter is uploaded.

Rules & Limitations

British Summer Time runs from 1 am GMT on the last Sunday of March to the last Sunday of October (in 2027: 28 March to 31 October). India stays at UTC+5:30 all year.
The UK and US change their clocks on different dates, so for a few weeks a year the UK–US gap differs from usual. Check each date if your meeting includes the US as well.
The planner counts Monday to Friday in each city as working days and does not know bank holidays in the UK or holidays in India.

Top Suggestions

Scheduling calls with a UK client, university or recruiter
Checking when a Premier League match or a cricket Test in England starts in IST
Meeting a deadline set in UK time, such as a visa slot or an application closing time
Calling family in London or Birmingham at a good time

IST to UK Time Converter FAQ

How far behind India is the UK?

The UK is 5 hours 30 minutes behind India from late October to late March (GMT) and 4 hours 30 minutes behind from late March to late October (BST). The result shows the right gap for your date.

What is the difference between GMT and BST?

GMT is UK winter time, the same as UTC. BST, British Summer Time, is one hour ahead of GMT and is used from the last Sunday of March to the last Sunday of October.

What is the best time for a call between India and the UK?

Afternoon in India is morning in the UK. With 9 am to 6 pm working hours, the planner finds 2–6 pm IST (9:30 am–1:30 pm BST) in summer and 3–6 pm IST (9:30 am–12:30 pm GMT) in winter.

If a UK deadline is 11:59 pm, what time is that in India?

Swap the places so London is in From and enter 23:59 on the deadline date. It is 4:29 am the next day in India during BST or 5:29 am during GMT, and the result shows +1 day.

Does UK time change on the same day as US time?

No. The UK moves its clocks on the last Sundays of March and October, the US on the second Sunday of March and the first Sunday of November. India does not change at all.