GST (Dubai) ↔ IST (Mumbai) — time offset
GST (Dubai) is 2 hours 30 minutes behind IST (Mumbai). When GST (Dubai) clocks hit noon, IST (Mumbai) reads 13:00.
GST (Dubai) runs on Asia/Dubai; IST (Mumbai) runs on Asia/Kolkata. Together they are 1.5 hours 30 minutes apart.
Mutual working hours
Every working day, GST (Dubai) and IST (Mumbai) are both in business hours for 6.5 hours simultaneously.
00:0006:0012:0018:0024:00
Best times to schedule a meeting
There is a 6.5-hour daily window where both locations are in business hours. The 3 best slots are listed below.
09:00 Dubai / 10:00 Mumbai✓ Both working
10:00 Dubai / 11:00 Mumbai✓ Both working
11:00 Dubai / 12:00 Mumbai✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Working across GST (Dubai) and IST (Mumbai)
The 1.5-hour gap between GST (Dubai) (United Arab Emirates) and IST (Mumbai) (India) requires some planning — but a 6.5-hour daily overlap means both teams can connect in real time without unusual scheduling.
💡 Best practice for cross-timezone meetings
✅If you are in GST (Dubai), aim for 09:00–10:00, which corresponds to 10:00–11:00 in IST (Mumbai) — both teams are within working hours.
✅If you are in GST (Dubai), aim for 10:00–11:00, which corresponds to 11:00–12:00 in IST (Mumbai) — both teams are within working hours.
✅If you are in GST (Dubai), aim for 11:00–12:00, which corresponds to 12:00–13:00 in IST (Mumbai) — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Add to your browser — Free →Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am GST (Dubai)".