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