Convert BST to IST time zone

In the graph below you see the time zone difference between British Summer Time and India Standard Time. Drag the bubble to adjust the time and to see the corresponding time in the other time zone.


03040506070809 1011121314151617181920212223 000102


Tips for converting BST to IST

British Summer Time is the time zone of the United Kingdom when observing daylight saving time in the summer, including cities like London, Dublin and Glasgow. India Standard Time is the time zone of India, with places like New Delhi, Mumbai, Bangalore, Kolkata and Colombo.

When is the best time to schedule a meeting with BST and IST?

Usually it is preferable to schedule meetings before lunch for the person in BST and in the afternoon for the person in IST.

Other common time zone conversions

More BST conversions
BST to EST, BST to PST, BST to CST, BST to CET, BST to EDT

More IST conversions
IST to PDT, IST to MST, IST to JST, IST to EST, IST to PST

About BST - British Standard Time

British Summer Time, or sometimes called British Standard Time, is the timezone of the United Kingdom in the summer months. It does not have a typical counterpart like most summer/winter pairs but is an exception to adjust for the dark winters in the UK!

Countries using BST:

United Kingdom only, including the Isle Of Man

Example of cities observing it:

All cities in the United Kingdom (England, Scotland, Wales and Northern Ireland), such as London, Manchester, Edinburgh, Cardiff and so on.

Summer time and Daylight saving time:

BST is the summer time equivalent of GMT. So for half the year the UK is on Greenwich Standard Time and the rest of the year they observe British Summer Time which is one hour ahead.

Other:

While GMT is observed in many places in addition to the UK BST is only observed in Britain (as the name suggests). Not even Ireland are on BST in the summer, instead they have their own time zone for this.



About IST - Indian Standard Time

Indian Standard Time, or IST for short, is the timezone of the Indian subcontinent. It is 3.5h ahead of GMT – so when the clock is 12 noon in India it is 8.30 in the morning in Delhi and Mumbai.

Countries using IST:

India, Sri Lanka

Example of cities observing it:

Delhi, Colombo, Kolkata and Mumbai

Summer time and Daylight saving time:

This timezone does not observe daylight saving time so the time difference always stay the same. You however need to pay attention to if the other time zone is observing DST as this will make a difference.

Other:

IST can also refer to Irish Standard Time or Israeli Standard time, but most of the times it is India that is being referred to – just make sure to double check this before you send that calendar invite!