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DateAlmanac

What is IST in GST?

Gulf Standard Time is 1 hour 30 minutes behind

India Standard Time is on UTC+5:30 and Gulf Standard Time is on UTC+4:00 right now. That gap holds all year, because both zones change their clocks together.

Time in New Delhi
5:33:59 PM
Time in Dubai
4:03:59 PM
Difference
−1:30 h
Next clock change
Neither zone

Convert a time

GST — Gulf Standard Time

3:30 pm

GST, Fri

Daylight saving

India Standard Time

No clock changes

India Standard Time stays on IST all year, so its offset from UTC never moves.

Gulf Standard Time

No clock changes

Gulf Standard Time stays on GST all year, so its offset from UTC never moves.

IST to GST conversion table

Every hour of Friday, September 25, 2026, converted from India Standard Time to Gulf Standard Time. 2 of the 24 hours fall on a different calendar day in Dubai, which is marked.

12:00 am IST
10:30 pm GST−1 day
1:00 am IST
11:30 pm GST−1 day
2:00 am IST
12:30 am GST
3:00 am IST
1:30 am GST
4:00 am IST
2:30 am GST
5:00 am IST
3:30 am GST
6:00 am IST
4:30 am GST
7:00 am IST
5:30 am GST
8:00 am IST
6:30 am GST
9:00 am IST
7:30 am GST
10:00 am IST
8:30 am GST
11:00 am IST
9:30 am GST
12:00 pm IST
10:30 am GST
1:00 pm IST
11:30 am GST
2:00 pm IST
12:30 pm GST
3:00 pm IST
1:30 pm GST
4:00 pm IST
2:30 pm GST
5:00 pm IST
3:30 pm GST
6:00 pm IST
4:30 pm GST
7:00 pm IST
5:30 pm GST
8:00 pm IST
6:30 pm GST
9:00 pm IST
7:30 pm GST
10:00 pm IST
8:30 pm GST
11:00 pm IST
9:30 pm GST

Scheduling between the two

Working hours overlap from 11:00 am to 6:00 pm IST, which is 9:30 am to 4:30 pm GST. Anything inside that window falls in the normal working day at both ends.

A note on IST: it can also mean Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1). This page means India Standard Time, which is what almost all searches for IST want.

India Standard Time (IST) is used in all of India and Sri Lanka, on a single UTC+5:30 offset with no daylight saving

Gulf Standard Time (GST) is used in the UAE and Oman

Other conversions