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

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

JST to GST Time Converter

Japan Standard Time → Gulf Standard Time

JST = UTC+9GST = UTC+4

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

GST (Dubai)

United Arab Emirates · -5h

04:00

London

United Kingdom · -8h

01:00

New York

USA · -13h

20:00-1 day

Sydney

Australia · +1h

10:00

Paris

France · -7h

02:00

How far apart are JST (Tokyo) and GST (Dubai)?

JST (Tokyo) is 5 hours ahead of GST (Dubai). When it's noon in JST (Tokyo), it's 07:00 in GST (Dubai).

JST (Tokyo) runs on Asia/Tokyo; GST (Dubai) runs on Asia/Dubai. Together they are 5 hours apart.

Daily overlap window

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

00:0006:0012:0018:0024:00

JST (Tokyo)

GST (Dubai)

Overlap (3h)

Best call times between these locations

There is a 3-hour daily window where both locations are in business hours.

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

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

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

Working hours defined as 09:00–17:00 local time for each location.

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)

No upcoming public holidays this year.

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

JST (Tokyo) (Japan) and GST (Dubai) (United Arab Emirates) are 5 hours apart. With a 3-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.

💡 Practical scheduling guidelines

✅

If you are in JST (Tokyo), aim for 14:00–15:00, which corresponds to 09:00–10:00 in GST (Dubai) — both teams are within working hours.

✅

If you are in JST (Tokyo), aim for 15:00–16:00, which corresponds to 10:00–11:00 in GST (Dubai) — both teams are within working hours.

✅

If you are in JST (Tokyo), aim for 16:00–17:00, which corresponds to 11:00–12:00 in GST (Dubai) — 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 JST (Tokyo)".

JST (Tokyo) ↔ GST (Dubai)

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

JST (Tokyo)

GST (Dubai)