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GST to JST Time Converter

Gulf Standard Time → Japan Standard Time

GST = UTC+4JST = UTC+9

GST (Dubai) ↔ JST (Tokyo)

3h of business hours overlap daily (09:00–17:00)

GST (Dubai)

JST (Tokyo)

00:00

05:00

01:00

06:00

02:00

07:00

03:00

08:00

04:00

09:00Working

05:00

10:00Working

06:00

11:00Working

07:00

12:00Working

08:00

13:00Working

09:00Working

14:00Working

10:00Working

15:00Working

11:00Working

16:00Working

12:00Working

17:00off

13:00Working

18:00off

14:00Working

19:00off

15:00Working

20:00off

16:00Working

21:00off

17:00

22:00

18:00

23:00

19:00

00:00+1d

20:00

01:00+1d

21:00

02:00+1d

22:00

03:00+1d

23:00

04:00+1d

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

Frequently Asked Questions

What is the difference between gst and jst?

Gulf Standard Time (gst) is UTC+4 and Japan Standard Time (jst) is UTC+9. The difference between them is 5 hours.

Where is gst used?

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

Where is jst used?

Japan Standard Time (jst) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.

How do I convert gst to jst?

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

Popular GST conversions

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

Popular JST conversions

London → JST New York → JST Dubai → JST Sydney → JST Paris → JST Berlin → JST Singapore → JST Los Angeles → JST Toronto → JST Mumbai → JST

GST (Dubai) to JST (Tokyo) — exact time difference

GST (Dubai) is 5 hours behind JST (Tokyo). When it's noon in GST (Dubai), it's 17:00 in JST (Tokyo).

GST (Dubai) is in the Asia/Dubai timezone. JST (Tokyo) is in Asia/Tokyo. The difference is 5 hours.

Working hours overlap

Both GST (Dubai) and JST (Tokyo) are simultaneously in business hours for 3 hours per day (assuming standard 9:00–17:00 working hours).

00:0006:0012:0018:0024:00

GST (Dubai)

JST (Tokyo)

Overlap (3h)

Recommended meeting windows

Both GST (Dubai) and JST (Tokyo) are in standard hours simultaneously for 3h per day.

09:00 Dubai / 14:00 Tokyo✓ Both working

10:00 Dubai / 15:00 Tokyo✓ Both working

11:00 Dubai / 16:00 Tokyo✓ Both working

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

Public holidays this year

GST (Dubai)

No upcoming public holidays this year.

JST (Tokyo)7 holidays

Jul 20Marine Day

Aug 11Mountain Day

Sep 21Respect for the Aged Day

Sep 23Autumnal Equinox Day

Oct 12Sports Day

GST (Dubai) and JST (Tokyo) — practical scheduling

GST (Dubai) (United Arab Emirates) leads JST (Tokyo) (Japan) by 5 hours. Despite the gap, a 3-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Practical scheduling guidelines

✅

09:00–10:00 in GST (Dubai) = 14:00–15:00 in JST (Tokyo). Both sides are in standard business hours during this window.

✅

10:00–11:00 in GST (Dubai) = 15:00–16:00 in JST (Tokyo). Both sides are in standard business hours during this window.

✅

11:00–12:00 in GST (Dubai) = 16:00–17:00 in JST (Tokyo). 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 GST (Dubai). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.