IST to GST Time Converter

Convert India Standard Time to Gulf Standard Time - Quick & Accurate

Mumbai (IST)
Dubai (GST)
GST is 1.5 hours behind IST

Quick Time Conversion

Mumbai
India Standard Time
UTC+5:30
Dubai
Gulf Standard Time
UTC+4

Current Time Right Now

India Standard Time
Gulf Standard Time

Updates live every second

24-Hour Visual Comparison

IST (Mumbai)
12am IST
1am IST
2am IST
3am IST
4am IST
5am IST
6am IST
7am IST
8am IST
9am IST
10am IST
11am IST
12pm IST
1pm IST
2pm IST
3pm IST
4pm IST
5pm IST
6pm IST
7pm IST
8pm IST
9pm IST
10pm IST
11pm IST
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GST (Dubai)
11pm GST
12am GST
1am GST
2am GST
3am GST
4am GST
5am GST
6am GST
7am GST
8am GST
9am GST
10am GST
11am GST
12pm GST
1pm GST
2pm GST
3pm GST
4pm GST
5pm GST
6pm GST
7pm GST
8pm GST
9pm GST
10pm GST
Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between IST and GST:

Best Window (IST)
12:00 PM - 5:00 PM
Which is (GST)
113:00 AM - 16:00 PM
Both parties in business hours
Optimal overlap window
Ideal for international teams

Pro Tip: Schedule calls during the overlap window for optimal convenience for both time zones

Complete IST to GST Conversion Table

IST TimeGST TimeContext
12:00 AM10:30 PM
Midnight IST
01:00 AM11:30 PM
Late Night
02:00 AM12:30 AM
Late Night
03:00 AM01:30 AM
Late Night
04:00 AM02:30 AM
Late Night
05:00 AM03:30 AM
Late Night
06:00 AM04:30 AM
Early Morning IST
07:00 AM05:30 AM
Night Time
08:00 AM06:30 AM
Night Time
09:00 AM07:30 AM
Work Starts IST
10:00 AM08:30 AM
Night Time
11:00 AM09:30 AM
Night Time

India Standard Time (IST)

UTC+5:30
UTC+5:30
Representative City:

Mumbai

IANA Identifier:

Asia/Kolkata

Gulf Standard Time (GST)

UTC+4
UTC+4
Representative City:

Dubai

IANA Identifier:

Asia/Dubai

Quick Reference

Time Difference: GST is 1.5 hours behind IST
Note: Time difference may vary during daylight saving transitions
UTC Offsets: IST = UTC+5:30, GST = UTC+4
2025 DST (North America): Starts March 9 at 2:00 AM, Ends November 2 at 2:00 AM

Frequently Asked Questions

GST (Gulf Standard Time) is 1.5 hours behind IST (India Standard Time). This means when it's 12:00 PM in Mumbai (IST), it's 10:30 AM in Dubai (GST).

The best time to call from IST to GST is during overlapping business hours. For IST callers, schedule between 12:00 PM - 5:00 PM IST to ensure both parties are within standard business hours.

The time difference may change during daylight saving transitions if one region observes DST while the other doesn't. India Standard Time (UTC+5:30) and Gulf Standard Time (UTC+4) may have different DST schedules.

IST includes cities like Mumbai. GST includes cities like Dubai. Both time zones cover important business and cultural centers.

In 2025, DST in North America starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. Other regions may have different DST schedules or not observe DST at all.