SGT to JST
SGT is UTC+8 and JST is UTC+9 today — JST is 1 hour ahead of SGT. Abbreviations are for reading: this page resolves SGT to Asia/Singapore and JST to Asia/Tokyo, 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: UTC+8 and JST.
| City | 00:00 in SGT | 01:00 in SGT | 02:00 in SGT | 03:00 in SGT | 04:00 in SGT | 05:00 in SGT | 06:00 in SGT | 07:00 in SGT | 08:00 in SGT | 09:00 in SGT | 10:00 in SGT | 11:00 in SGT | 12:00 in SGT | 13:00 in SGT | 14:00 in SGT | 15:00 in SGT | 16:00 in SGT | 17:00 in SGT | 18:00 in SGT | 19:00 in SGT | 20:00 in SGT | 21:00 in SGT | 22:00 in SGT | 23:00 in SGT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with SGT and JST
Common questions
What is SGT in JST?
JST is 1 hour ahead of SGT today: noon in SGT is 13:00 in JST.
Is SGT the same all year?
SGT refers to the offset used by Asia/Singapore. 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 SGT and JST meet?
Working hours overlap for 8 hours a day: the shaded overlap is 10:00–18:00 in JST (09:00–17:00 your time).