Chennai to London — Time Difference
Live clocks · Full 24-hour table · India → United Kingdom
Time Difference: Chennai vs London
London is 4 hours and 30 minutes behind Chennai. Chennai is in India Standard Time (GMT+5:30, UTC+5:30) and London is in British Summer Time (GMT+1, UTC+1).
Use the table below to find the equivalent London time for any hour in Chennai. Click any row to see the full conversion page for that hour.
Business Hours — Chennai to London
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Chennai to London
Frequently Asked Questions
What is the time difference between Chennai and London?
London is 4 hours and 30 minutes behind Chennai. Chennai uses India Standard Time (GMT+5:30, UTC+5:30) and London uses British Summer Time (GMT+1, UTC+1).
What time is it in London when it is 9 AM in Chennai?
9 AM in Chennai (GMT+5:30) equals 4:30 AM in London (GMT+1).
Is Chennai ahead or behind London?
London is 4 hours and 30 minutes behind Chennai.
What is the best time to call from Chennai to London?
The best time to call from Chennai to London is between 2 PM–5 PM Chennai time, when London is also within normal working hours (9 AM–5 PM).
Time Zones
Chennai
India Standard Time
GMT+5:30 · UTC+5:30
London
British Summer Time
GMT+1 · UTC+1
Reverse Conversion
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