GST to JST Converter
Time Difference
Gulf Standard Time is 5 hours behind Japan Standard Time
9:30 am09:30 in GST is 2:30 pm14:30 in JST
GST to JST call time
Best time for a conference call or a meeting is between 8am-1pm in GST which corresponds to 1pm-6pm in JST
9:30 am09:30 Gulf Standard Time (GST). Offset UTC +4:00 hours
2:30 pm14:30 Japan Standard Time (JST). Offset UTC +9:00 hours
9:30 am09:30 GST / 2:30 pm14:30 JST
GST | JST |
---|---|
12am (midnight) | 5am |
1am | 6am |
2am | 7am |
3am | 8am |
4am | 9am |
5am | 10am |
6am | 11am |
7am | 12pm (noon) |
8am | 1pm |
9am | 2pm |
10am | 3pm |
11am | 4pm |
12pm (noon) | 5pm |
1pm | 6pm |
2pm | 7pm |
3pm | 8pm |
4pm | 9pm |
5pm | 10pm |
6pm | 11pm |
7pm | 12am (midnight) |
8pm | 1am |
9pm | 2am |
10pm | 3am |
11pm | 4am |
0:00 | 5:00 |
1:00 | 6:00 |
2:00 | 7:00 |
3:00 | 8:00 |
4:00 | 9:00 |
5:00 | 10:00 |
6:00 | 11:00 |
7:00 | 12:00 |
8:00 | 13:00 |
9:00 | 14:00 |
10:00 | 15:00 |
11:00 | 16:00 |
12:00 | 17:00 |
13:00 | 18:00 |
14:00 | 19:00 |
15:00 | 20:00 |
16:00 | 21:00 |
17:00 | 22:00 |
18:00 | 23:00 |
19:00 | 0:00 |
20:00 | 1:00 |
21:00 | 2:00 |
22:00 | 3:00 |
23:00 | 4:00 |
Gulf Standard Time
Offset: GST is 4 hours ahead Greenwich Mean Time (GMT) and is used in Asia

GST representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time