Conversion Updated: June 13, 2026

Time Conversion Calculator

IST to GMT Converter

Convert India Standard Time to GMT with date-aware logic, a 24-hour table, meeting planner, and copy-ready result.

Typical differenceGMT is 5:30 behindFixed-offset conversion for the selected date.

Convert IST to GMT

Choose a date and time in India Standard Time. The calculator will show the matching GMT time.

Conversion basis
Date-aware India Standard TimeUses Asia/Kolkata rules for the selected date.
GMT resultThe target offset is calculated from the exact converted instant.
Choose a date and time to convert.
Converted GMT time--GMT
Time difference--Compared with India Standard Time
IST offset----
GMT offset----

Suggested meeting times

Suggested meeting windowPick a suggested time or drag the bar.Search a third location above only when you want to compare another country.

Time overlap visual planner

See business-hour bands, selected hour, and current-time marker. A searched country appears as a third row only after using the search box above.

Selected time--
Business hours Selected Current time

24-hour IST to GMT conversion table

Full-day conversion for the selected date.

India Standard TimeGMTMeeting note
Select a time and convert to generate the table.
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