IST to GMT Time Converter

Convert times across multiple time zones instantly. Add unlimited cities, compare business hours, and schedule meetings with automatic DST handling and real-time updates.

Primary
21:27
Thu, Sep 10
12AM3AM6AM9AM12PM3PM6PM9PM12AM
Zone 2
-4.5hr from IST
16:57
Thu, Sep 10
12AM3AM6AM9AM12PM3PM6PM9PM12AM

Frequently Asked Questions

Why Use Our IST to GMT Converter?

Instant Conversion

Real-time conversion as you type or select timezones.

DST Aware

Automatically handles daylight saving time transitions.

400+ Timezones

Support for every IANA timezone including cities, abbreviations, and UTC offsets.

How to Use the IST to GMT Time Converter

Easily coordinate between IST, GMT using our real-time conversion tool. Whether you're scheduling a business call or planning a trip, our tool handles all the complexities of time zone offsets and daylight saving time for you.

Interactive Time Slider

Drag the slider on any location card to see how the time changes in all other zones simultaneously. This makes it effortless to find overlapping working hours.

Smart Search

Add more cities to your view by clicking "Add Timezone". Our database includes over 400 major cities worldwide with accurate historical and future time data.

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Convert IST to GMT

Use this converter to translate any time from IST into GMT instantly. Both timezones include automatic Daylight Saving Time handling, so the converted time stays accurate year-round even when clocks change in spring or fall.

Whether you are scheduling a meeting between teams, planning travel, or just confirming when a remote event starts in your local clock, the converter shows the equivalent time in both directions and keeps the result in sync as the source time changes.

Time difference right now: IST is -4.5 hours compared to GMT (accounts for DST today).

IST: Asia/Kolkata does not observe daylight saving time — the UTC offset stays at +05:30 year-round.

GMT: Next DST change: Sunday, October 25, 2026 — clocks fall back from +01:00 to +00:00. Currently on daylight saving time (UTC+01:00).

Business hours overlap: Overlapping business hours today: 13:30–17:00 in IST matches 09:00–12:30 in GMT (3.5 hours of overlap).

Common IST to GMT Conversion Times

Quick reference for typical times across the day. Use the live converter above for precision.

ISTGMT
06:00 (Early morning)01:30
09:00 (Morning standup)04:30
12:00 (Noon)07:30
15:00 (Afternoon)10:30
18:00 (Evening)13:30
21:00 (Night)16:30