What time is 12 AM in Kolkata in London?
Instant time conversion · India to United Kingdom
When it's 12 AM in Kolkata (GMT+5:30)…
Kolkata to London — Time Conversion
When it is 12 AM in Kolkata (India Standard Time, GMT+5:30), it is 7:30 PM in London (British Summer Time, GMT+1).London is 4 hours and 30 minutes behind Kolkata.
Use the table above to see the equivalent time in London and other major cities worldwide. Click any row to open the full hour page for that destination.
All Kolkata hours → London
Frequently Asked Questions
What time is 12 AM in Kolkata in London?
12 AM Kolkata time (GMT+5:30) equals 7:30 PM in London (GMT+1) — the previous day.
What is the time difference between Kolkata and London?
London is 4 hours and 30 minutes behind Kolkata. Kolkata uses India Standard Time (GMT+5:30, UTC+5:30) and London uses British Summer Time (GMT+1, UTC+1).
Is 12 AM Kolkata a good time to call London?
12 AM in Kolkata corresponds to 7:30 PM in London, which is outside typical working hours. Consider scheduling between 9 AM–6 PM GMT+1 instead.
How do I convert time from Kolkata to London?
To convert Kolkata time to London time, add (-4:30) hours. For example, 12 AM GMT+5:30 = 7:30 PM GMT+1 (previous day).
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