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GMT to GST Time Converter

Greenwich Mean Time → Gulf Standard Time

GMT = UTC+1GST = UTC+4

GMT (London) ↔ GST (Dubai)

5h of business hours overlap daily (09:00–17:00)

GMT (London)

GST (Dubai)

00:00

03:00

01:00

04:00

02:00

05:00

03:00

06:00

04:00

07:00

05:00

08:00

06:00

09:00Working

07:00

10:00Working

08:00

11:00Working

09:00Working

12:00Working

10:00Working

13:00Working

11:00Working

14:00Working

12:00Working

15:00Working

13:00Working

16:00Working

14:00Working

17:00off

15:00Working

18:00off

16:00Working

19:00off

17:00

20:00

18:00

21:00

19:00

22:00

20:00

23:00

21:00

00:00+1d

22:00

01:00+1d

23:00

02:00+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between gmt and gst?

Greenwich Mean Time (gmt) is UTC+1 and Gulf Standard Time (gst) is UTC+4. The difference between them is 3 hours.

Where is gmt used?

Greenwich Mean Time (gmt) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London.

Where is gst used?

Gulf Standard Time (gst) is used in United Arab Emirates and surrounding regions. The IANA timezone identifier is Asia/Dubai.

How do I convert gmt to gst?

Use the interactive converter above. Drag the time slider to any gmt time and the gst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular GMT conversions

GMT → New York GMT → Tokyo GMT → Dubai GMT → Sydney GMT → Paris GMT → Berlin GMT → Singapore GMT → Los Angeles GMT → Toronto GMT → Mumbai

Popular GST conversions

London → GST New York → GST Tokyo → GST Sydney → GST Paris → GST Berlin → GST Singapore → GST Los Angeles → GST Toronto → GST Mumbai → GST

Time difference: GMT (London) and GST (Dubai)

GMT (London) is 3 hours behind GST (Dubai). When GMT (London) clocks hit noon, GST (Dubai) reads 15:00.

GMT (London) is in the Europe/London timezone. GST (Dubai) is in Asia/Dubai. The difference is 3 hours.

Business hours comparison

Every working day, GMT (London) and GST (Dubai) are both in business hours for 5 hours simultaneously.

00:0006:0012:0018:0024:00

GMT (London)

GST (Dubai)

Overlap (5h)

When to schedule across time zones

Both GMT (London) and GST (Dubai) are in standard hours simultaneously for 5h per day. 3 recommended slots shown below.

09:00 London / 12:00 Dubai✓ Both working

10:00 London / 13:00 Dubai✓ Both working

11:00 London / 14:00 Dubai✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Holiday calendar for both locations

GMT (London)6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

GST (Dubai)

No upcoming public holidays this year.

Working across GMT (London) and GST (Dubai)

Working across GMT (London) (United Kingdom) and GST (Dubai) (United Arab Emirates) involves a 3-hour gap. The good news: there is a 5-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.

💡 Best practice for cross-timezone meetings

✅

09:00–10:00 in GMT (London) = 12:00–13:00 in GST (Dubai). Both sides are in standard business hours during this window.

✅

10:00–11:00 in GMT (London) = 13:00–14:00 in GST (Dubai). Both sides are in standard business hours during this window.

✅

11:00–12:00 in GMT (London) = 14:00–15:00 in GST (Dubai). Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in GMT (London). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.