JST to SGT
JST is UTC+9 and SGT is UTC+8 today — SGT is 1 hour behind JST. Abbreviations are for reading: this page resolves JST to Asia/Tokyo and SGT to Asia/Singapore, which are the names that do not go ambiguous.
The working day, side by side
Hours shaded in both rows are inside working hours on both sides. Current abbreviations: JST and UTC+8.
| City | 00:00 in JST | 01:00 in JST | 02:00 in JST | 03:00 in JST | 04:00 in JST | 05:00 in JST | 06:00 in JST | 07:00 in JST | 08:00 in JST | 09:00 in JST | 10:00 in JST | 11:00 in JST | 12:00 in JST | 13:00 in JST | 14:00 in JST | 15:00 in JST | 16:00 in JST | 17:00 in JST | 18:00 in JST | 19:00 in JST | 20:00 in JST | 21:00 in JST | 22:00 in JST | 23:00 in JST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| SGT—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with JST and SGT
Common questions
What is JST in SGT?
SGT is 1 hour behind JST today: noon in JST is 11:00 in SGT.
Is JST the same all year?
JST refers to the offset used by Asia/Tokyo. Where that zone observes daylight saving, the letters change with it, which is why this site stores the identifier and not the abbreviation.
When can JST and SGT meet?
Working hours overlap for 8 hours a day: the shaded overlap is 09:00–17:00 in SGT (10:00–18:00 your time).