IST to GMT Time Zone Converter India to Greenwich

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

Quick converter

IST

Tue, 04 Aug 2026

UTC+5:30

GMT

Mon, 03 Aug 2026

UTC+0

GMT is 5 hours 30 minutes behind IST

Full 24-hour comparison grid

All timezones in sync. Click any slot to pin it.

Work hours (9 am to 6 pm) Night (10 pm to 6 am) Pinned / now

Popular Timezone Conversions

CST to EST PST to EST MST to EST JST to EST GST to EST IST to EST

About IST to GMT Conversion

Last updated: April 2026

Converting time between IST and GMT requires understanding their time zone offsets and any daylight saving time adjustments. IST operates at UTC+5:30, while GMT is set to UTC+0. This means GMT is 5 hours 30 minutes behind IST. Note that due to the time difference, the date may change. When it's 3:45 AM IST on August 4, 2026, it's 10:15 PM GMT on August 3, 2026. Use this converter to quickly find the equivalent time in GMT for any time in IST, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

Last updated: April 2026

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from IST

IST to EST IST to CST IST to MST IST to PST IST to CET IST to GST IST to UTC IST to BRT IST to BDT IST to KST IST to PKT

Frequently Asked Questions

Last updated: April 2026

What is the time difference between IST and GMT?

The time difference between IST and GMT is 5 hours 30 minutes. GMT is 5 hours 30 minutes behind IST.

Is GMT ahead of or behind IST?

GMT is behind IST by 5 hours 30 minutes. When it's 12 PM in IST, it's 6:30 AM in GMT.

How many hours do you add to IST to get GMT?

You subtract 5 hours 30 minutes from IST to get GMT. For example, 12 PM IST - 5 hours 30 minutes = 6:30 AM GMT.

Does the IST to GMT time difference change during Daylight Saving Time?

No, the time difference between IST and GMT remains constant throughout the year. Neither timezone observes Daylight Saving Time, so the 5.5-hour difference stays the same.

What is 12 PM IST in GMT?

12 PM IST is 6:30 AM GMT. This conversion accounts for the 5.5-hour time difference between the two timezones.

Is IST the same throughout the year when converting to GMT?

Yes, the conversion between IST and GMT remains consistent throughout the year. Since neither timezone observes Daylight Saving Time, the 5.5-hour difference is constant, making conversions predictable and straightforward.

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