Time in JST and SDT
The time difference between Japan Standard Time (JST) and Samoa Daylight Time (SDT) is 19 hours. Samoa Daylight Time is 19 hours behind Japan Standard Time.
This means 9am JST is 2pm SDT (previous day) and 5pm JST is 10pm SDT (previous day).
Japan Standard Time
- The current local time in JST is 4:06 am (July 9, 2026)
- JST time zone offset is UTC+09:00
Samoa Daylight Time
- The current local time in SDT is 5:06 am (July 9, 2026)
- SDT time zone offset is UTC-10:00
How to convert Japan Standard Time to Samoa Daylight Time?
Subtract 19 hours from Japan Standard Time to get Samoa Daylight Time.
Time in JST
00:00
Time in SDT
00:00
Use the slider above to convert Japan Standard Time to Samoa Daylight Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| JST | SDT |
|---|---|
| 12am | 5am |
| 1am | 6am |
| 2am | 7am |
| 3am | 8am |
| 4am | 9am |
| 5am | 10am |
| 6am | 11am |
| 7am | 12pm |
| 8am | 1pm |
| 9am | 2pm |
| 10am | 3pm |
| 11am | 4pm |
| 12pm | 5pm |
| 1pm | 6pm |
| 2pm | 7pm |
| 3pm | 8pm |
| 4pm | 9pm |
| 5pm | 10pm |
| 6pm | 11pm |
| 7pm | 12am |
| 8pm | 1am |
| 9pm | 2am |
| 10pm | 3am |
| 11pm | 4am |