GMT to IST Converter — UK Time to India
Convert UK Time to India Standard Time instantly, GMT/BST handled automatically.
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What This Tool Does
This tool converts a specific date and time from UK time — London and the rest of the United Kingdom — to India Standard Time (IST, UTC+5:30). It automatically detects whether your chosen date falls under Greenwich Mean Time (GMT, UK winter) or British Summer Time (BST, UK summer) and adjusts the conversion accordingly.
How to Use It
- Enter the UK date and time you want to convert (the tool is pre-set to convert GMT/BST → IST).
- Press Convert.
- The equivalent IST date, day of week and time appear instantly.
Example
A 10:00 AM GMT meeting invite from a London client lands at 3:30 PM IST during UK winter, or 2:30 PM IST during British Summer Time (late March to late October) — worth checking with this tool rather than assuming a fixed 5.5-hour gap year-round.
Frequently Asked Questions
What is the time difference between GMT and IST?
GMT (UK winter time) is 5 hours 30 minutes behind IST. During British Summer Time (BST), that gap narrows to 4 hours 30 minutes, since only the UK side of the conversion shifts — India's IST stays fixed year-round.
How do I know if a UK date is GMT or BST?
The UK observes British Summer Time (BST) from late March to late October, and Greenwich Mean Time (GMT) the rest of the year. You don't need to track the exact switch date yourself — enter the actual date and this tool applies the correct offset using your browser's built-in time zone data.
Is London the only city on UK time?
UK time (GMT/BST) covers all of England, Scotland, Wales and Northern Ireland — London, Manchester, Edinburgh, Belfast and every other UK city share the same clock, so this conversion is accurate for any of them.
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