London to Chennai — Time Difference
Live clocks · Full 24-hour table · United Kingdom → India
Time Difference: London vs Chennai
Chennai is 4 hours and 30 minutes ahead of London. London is in British Summer Time (GMT+1, UTC+1) and Chennai is in India Standard Time (GMT+5:30, UTC+5:30).
Use the table below to find the equivalent Chennai time for any hour in London. Click any row to see the full conversion page for that hour.
Business Hours — London to Chennai
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — London to Chennai
Frequently Asked Questions
What is the time difference between London and Chennai?
Chennai is 4 hours and 30 minutes ahead of London. London uses British Summer Time (GMT+1, UTC+1) and Chennai uses India Standard Time (GMT+5:30, UTC+5:30).
What time is it in Chennai when it is 9 AM in London?
9 AM in London (GMT+1) equals 1:30 PM in Chennai (GMT+5:30).
Is London ahead or behind Chennai?
Chennai is 4 hours and 30 minutes ahead of London.
What is the best time to call from London to Chennai?
The best time to call from London to Chennai is between 9 AM–1 PM London time, when Chennai is also within normal working hours (9 AM–5 PM).
Time Zones
London
British Summer Time
GMT+1 · UTC+1
Chennai
India Standard Time
GMT+5:30 · UTC+5:30
Reverse Conversion
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