Convert British Summer Time to Mumbai instantly. Scroll the timeline to check any hour of the day.
British Summer TimeBST
10:10PMJul 31
MumbaiIST
2:40AMAug 1
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How the BST to Mumbai time difference works
Mumbai is 4 hours 30 minutes ahead of BST. British Summer Time (BST) is the spring-to-autumn daylight time of the United Kingdom, fixed at one hour ahead of GMT.
Mumbai (IST) is a city in India.
For example, 9:00 AM BST is 1:30 PM Mumbai.
Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
4 hours 30 minutes
Daylight saving
Neither
BST offset
UTC+1
Mumbai offset
UTC+5:30
BST to Mumbai conversion chart
British Summer Time (BST)
Mumbai (IST)
12:00 AM
4:30 AM
1:00 AM
5:30 AM
2:00 AM
6:30 AM
3:00 AM
7:30 AM
4:00 AM
8:30 AM
5:00 AM
9:30 AM
6:00 AM
10:30 AM
7:00 AM
11:30 AM
8:00 AM
12:30 PM
9:00 AM
1:30 PM
10:00 AM
2:30 PM
11:00 AM
3:30 PM
12:00 PM
4:30 PM
1:00 PM
5:30 PM
2:00 PM
6:30 PM
3:00 PM
7:30 PM
4:00 PM
8:30 PM
5:00 PM
9:30 PM
6:00 PM
10:30 PM
7:00 PM
11:30 PM
8:00 PM
12:30 AM +1 day
9:00 PM
1:30 AM +1 day
10:00 PM
2:30 AM +1 day
11:00 PM
3:30 AM +1 day
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 12:30 PM BST (1:30 PM to 5:00 PM Mumbai). Schedule inside that window to catch both coasts during business hours.
Mumbai is 4 hours 30 minutes ahead of BST. So 9:00 AM BST is 1:30 PM Mumbai, and 5:00 PM BST is 9:30 PM Mumbai.
What time is it in Mumbai when it is 12:00 PM BST?
When it is 12:00 PM (noon) BST in British Summer Time, it is 4:30 PM Mumbai in Mumbai.
How many hours difference is there between BST and Mumbai?
There is a 4 hours 30 minutes difference. Mumbai (IST) runs 4 hours 30 minutes ahead of British Summer Time (BST).
Do BST and Mumbai observe daylight saving time?
Neither British Summer Time nor Mumbai shifts its clocks for daylight saving time, so the 4 hours 30 minutes difference between them is the same all year. BST is itself the daylight-saving period of the United Kingdom: clocks there run on BST from late March to late October and return to GMT in winter.
What is the best time to schedule a meeting between BST and Mumbai?
A standard 9-to-5 workday overlaps from 9:00 AM to 12:30 PM BST (1:30 PM to 5:00 PM Mumbai). Scheduling inside that window keeps the call during business hours in both British Summer Time and Mumbai.
Which cities use BST and Mumbai?
British Summer Time (BST) covers cities such as London, Manchester, Birmingham, Glasgow, Liverpool, Edinburgh. Mumbai (IST) covers cities such as New Delhi, Bangalore, Hyderabad, Chennai, Pune, Surat.
