Dubai MumbaiGST to IST Time Converter
Dubai (GST, UTC+4) is currently 1 hour 30 minutes behind Mumbai (IST, UTC+5:30). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Dubai, it's the same day in Mumbai.
Dubai (GST) runs 1 hour 30 minutes behind Mumbai (IST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- +1h 30m
- GST
- UTC+4
- IST
- UTC+5:30
- Best call window
- 9:00 AM GST
GST to IST conversion table
The next 12 hours in GST and the matching local time in IST. The current hour is highlighted; drag the converter's slider and the table follows.
| GST | IST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Best time to meet between GST & IST
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
This time difference never changes
Neither side observes daylight saving against the other, so the gap stays constant all year. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From GST
To IST
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am GST time in IST?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "GST → IST",
"url": "https://worldclock.pro/en/convert/gst-to-ist",
"from": {
"name": "GST",
"type": "timezone",
"abbreviation": "GST",
"daylightAbbreviation": null,
"iana": "Asia/Dubai",
"standardUtcOffset": "+04:00",
"daylightUtcOffset": null,
"referenceCity": "Dubai"
},
"to": {
"name": "IST",
"type": "timezone",
"abbreviation": "IST",
"daylightAbbreviation": null,
"iana": "Asia/Kolkata",
"standardUtcOffset": "+05:30",
"daylightUtcOffset": null,
"referenceCity": "Mumbai"
},
"currentDifferenceMinutes": 90,
"possibleDifferencesMinutes": [
90
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between GST and IST?
GST is currently 1 hour 30 minutes behind IST. GST is on GST (UTC+4) and IST is on IST (UTC+5:30). The difference can change when either side starts or ends daylight saving time.
Is IST ahead of or behind GST?
IST is currently 1 hour 30 minutes ahead of GST.
When it is 9:00 AM in GST, what time is it in IST?
When it is 9:00 AM on a Monday in GST, it is 10:30 AM in IST.
Do GST and IST observe daylight saving time?
GST does not observe daylight saving time. IST does not observe daylight saving time.
How do I convert GST time to IST time?
Add 1 hour 30 minutes to any time in GST to get the time in IST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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