Time in Sapporo and Adak Island
The time difference between Sapporo and Adak Island, Alaska, is 18 hours. Adak Island is 18 hours behind Sapporo.
This means 9am in Sapporo is 3pm in Adak Island (previous day) and 5pm in Sapporo is 11pm in Adak Island (previous day).
Sapporo
- The current local time in Sapporo is 8:25 pm (June 18, 2026)
- Sapporo is in the Japan Standard Time Zone
- The time zone offset for Sapporo, Japan, is UTC+09:00
Adak Island
- The current local time in Adak Island is 2:25 am (June 18, 2026)
- Adak Island is in the Hawaii–Aleutian Daylight Time Zone
- The time zone offset for Adak Island, United States, is UTC-09:00
How to convert Sapporo time to Adak Island time?
Subtract 18 hours from Sapporo time to get Adak Island time.
Time in Sapporo
00:00
Time in Adak Island
00:00
Use the slider above to convert Sapporo time to Adak Island 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
| Sapporo | Adak Island |
|---|---|
| 12am | 6am |
| 1am | 7am |
| 2am | 8am |
| 3am | 9am |
| 4am | 10am |
| 5am | 11am |
| 6am | 12pm |
| 7am | 1pm |
| 8am | 2pm |
| 9am | 3pm |
| 10am | 4pm |
| 11am | 5pm |
| 12pm | 6pm |
| 1pm | 7pm |
| 2pm | 8pm |
| 3pm | 9pm |
| 4pm | 10pm |
| 5pm | 11pm |
| 6pm | 12am |
| 7pm | 1am |
| 8pm | 2am |
| 9pm | 3am |
| 10pm | 4am |
| 11pm | 5am |
Time difference from Sapporo (UTC+09:00)
-15 hours
-17 hours
-1 hour
-18 hours
-19 hours
-18 hours
+3 hours
+30 minutes
-2 hours
-17 hours