Don't like ads? Go Ad-Free Today 

IST to GMT Converter

PlanningTime

Convert times between India Standard Time (IST) and Greenwich Mean Time (GMT). Simply click the time tiles to change date and time.

ADVERTISEMENT · REMOVE?

INPUT

Auto Process

OUTPUT

Two-Way Client Side

ADVERTISEMENT · REMOVE?

Try Other Popular Pairs

Guide

Understanding IST to GMT Time

India Standard Time (IST) is the time zone observed throughout India, with a UTC offset of +05:30. For more information, you can refer to the India Standard Time Wikipedia page.

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is often used as a reference point for other time zones. You can find additional details on the Greenwich Mean Time Wikipedia page.

ADVERTISEMENT · REMOVE?

IST is 5 hours and 30 minutes ahead of GMT.

How to Convert IST to GMT Time

Master the time difference between IST and GMT! Our converter makes it easy. Just follow these simple steps:

Click on the IST time tile (left) to choose the time you want to convert to GMT.
The time in GMT (right) will be updated accordingly.
Vice versa, you can also change GMT time and IST time will be updated accordingly
To share the converted time, click on “Copy Sharable Link” and share it with your friends!

If you’re seeking conversions for other time zones, visit our main Time Converter page.

IST to GMT Time Conversion Chart

This Time Conversion Chart is based on the time as of 29 Sep 2025. While the times in the table account for Daylight Saving Time (DST), please use the tool above for real-time conversions between IST and GMT and to obtain the correct named time zones that adjust with DST.

12:00 am IST	is	7:30 pm GMT
1:00 am IST	is	8:30 pm GMT
2:00 am IST	is	9:30 pm GMT
3:00 am IST	is	10:30 pm GMT
4:00 am IST	is	11:30 pm GMT
5:00 am IST	is	12:30 am GMT
6:00 am IST	is	1:30 am GMT
7:00 am IST	is	2:30 am GMT
8:00 am IST	is	3:30 am GMT
9:00 am IST	is	4:30 am GMT
10:00 am IST	is	5:30 am GMT
11:00 am IST	is	6:30 am GMT

12:00 pm IST	is	6:30 am GMT
1:00 pm IST	is	7:30 am GMT
2:00 pm IST	is	8:30 am GMT
3:00 pm IST	is	9:30 am GMT
4:00 pm IST	is	10:30 am GMT
5:00 pm IST	is	11:30 am GMT
6:00 pm IST	is	12:30 pm GMT
7:00 pm IST	is	1:30 pm GMT
8:00 pm IST	is	2:30 pm GMT
9:00 pm IST	is	3:30 pm GMT
10:00 pm IST	is	4:30 pm GMT
11:00 pm IST	is	5:30 pm GMT

Best Meeting Times Between IST and GMT

The following times are within business hours (8 am – 6 pm) for both locations as of 29 Sep 2025:

India Standard Time 		Greenwich Mean Time 
1:00 pm IST	is	8:30 am GMT
2:00 pm IST	is	9:30 am GMT
3:00 pm IST	is	10:30 am GMT
4:00 pm IST	is	11:30 am GMT
5:00 pm IST	is	12:30 pm GMT
6:00 pm IST	is	1:30 pm GMT

 FAQ

What is the time difference between IST and GMT time zones?

As of 29 Sep 2025, the India Standard Time (IST) is 5.5 hours ahead of Greenwich Mean Time (GMT).
Why trust our online IST to GMT time converter?

Our IST to GMT time converter uses the IANA time zone database, a highly reputable and trusted source for global time zone information. This ensures our time conversions are accurate and reliable, including daylight saving time (DST) adjustments.
What does the "Copy Sharable Link" button do?

The "Copy Sharable Link" button generates a deep link to the current time zone conversion between IST and GMT you're viewing, and add it to your Clipboard (you can then paste and share with your friend). This link includes specific details like the time zones selected and any adjustments for daylight saving time (DST).