GST to JST Time Converter
Convert Gulf Standard Time to Japan Standard Time instantly.
Scroll the timeline to check any hour of the day.
Gulf Standard Time
GST
12:26
Japan Standard Time
JST
5:26
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How the GST to JST time difference works
JST is 5 hours ahead of GST. Gulf Standard Time (GST) is the time zone of the United Arab Emirates and Oman. Japan Standard Time (JST) is the time zone of Japan. For example, 9:00 AM GST is 2:00 PM JST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
5 hours
Daylight saving
Neither
GST offset
UTC+4
JST offset
UTC+9
GST to JST conversion chart
| Gulf Standard Time (GST) | Japan Standard Time (JST) |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM +1 day |
| 8:00 PM | 1:00 AM +1 day |
| 9:00 PM | 2:00 AM +1 day |
| 10:00 PM | 3:00 AM +1 day |
| 11:00 PM | 4:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 12:00 PM GST (2:00 PM to 5:00 PM JST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Gulf Standard Time (GST)
DubaiAbu DhabiSharjahMuscatAl Ain
Japan Standard Time (JST)
TokyoOsakaYokohamaNagoyaSapporo
GST to JST questions
Is JST ahead of or behind GST?
JST is 5 hours ahead of GST. So 9:00 AM GST is 2:00 PM JST, and 5:00 PM GST is 10:00 PM JST.
What time is it in JST when it is 12:00 PM GST?
When it is 12:00 PM (noon) GST in Gulf Standard Time, it is 5:00 PM JST in Japan Standard Time.
How many hours difference is there between GST and JST?
There is a 5 hours difference. Japan Standard Time (JST) runs 5 hours ahead of Gulf Standard Time (GST).
Do GST and JST observe daylight saving time?
Neither Gulf Standard Time nor Japan Standard Time observes daylight saving time, so the 5 hours difference between them is the same all year.
What is the best time to schedule a meeting between GST and JST?
A standard 9-to-5 workday overlaps from 9:00 AM to 12:00 PM GST (2:00 PM to 5:00 PM JST). Scheduling inside that window keeps the call during business hours in both Gulf Standard Time and Japan Standard Time.
Which cities use GST and JST?
Gulf Standard Time (GST) covers cities such as Dubai, Abu Dhabi, Sharjah, Muscat, Al Ain. Japan Standard Time (JST) covers cities such as Tokyo, Osaka, Yokohama, Nagoya, Sapporo.