JST to GST Converter
GST is 5h 0m behind JST. When it's 12:00 PM JST, it's 7:00 AM GST.
9:00 AM JST=4:00 AM GST
12:00 PM JST=7:00 AM GST
5:00 PM JST=12:00 PM GST
Hourly conversion (JST → GST)
| JST | 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 |
Shaded rows are within standard working hours (8am–6pm) on both sides.
Japan does not observe daylight saving time, so JST (UTC+9) applies year-round.
More JST conversions
Frequently asked questions
- What is the time difference between JST and GST?
- GST is 5h 0m behind JST. JST is UTC+9 and GST is UTC+4.
- What is 12:00 PM JST in GST?
- 12:00 PM JST is 7:00 AM GST.
- Does JST change for daylight saving time?
- Japan does not observe daylight saving time, so JST (UTC+9) applies year-round.