South Dakota to Tokyo time converter
Tokyo is 14 hours ahead of South Dakota. When it is 9:00 AM in South Dakota, it is 11:00 PM in Tokyo.
South Dakota CDT
Tuesday, October 20, 2026
Tokyo JST
Wednesday, October 21, 2026
8:23 PM in South Dakota, Tuesday, October 20, 2026
South Dakota to Tokyo conversion table
Every hour of today in South Dakota and the matching time in Tokyo. Light rows are typical working hours (9:00–18:00).
| South Dakota | Tokyo |
|---|---|
| 12:00 AM | 2:00 PM |
| 1:00 AM | 3:00 PM |
| 2:00 AM | 4:00 PM |
| 3:00 AM | 5:00 PM |
| 4:00 AM | 6:00 PM |
| 5:00 AM | 7:00 PM |
| 6:00 AM | 8:00 PM |
| 7:00 AM | 9:00 PM |
| 8:00 AM | 10:00 PM |
| 9:00 AM | 11:00 PM |
| 10:00 AM | 12:00 AM+1 day |
| 11:00 AM | 1:00 AM+1 day |
| 12:00 PM | 2:00 AM+1 day |
| 1:00 PM | 3:00 AM+1 day |
| 2:00 PM | 4:00 AM+1 day |
| 3:00 PM | 5:00 AM+1 day |
| 4:00 PM | 6:00 AM+1 day |
| 5:00 PM | 7:00 AM+1 day |
| 6:00 PM | 8:00 AM+1 day |
| 7:00 PM | 9:00 AM+1 day |
| 8:00 PM | 10:00 AM+1 day |
| 9:00 PM | 11:00 AM+1 day |
| 10:00 PM | 12:00 PM+1 day |
| 11:00 PM | 1:00 PM+1 day |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in South Dakota (7:00 AM – 8:00 AM in Tokyo): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because South Dakota and Tokyo switch clocks on different dates:
- Oct 20, 2026 – Nov 1, 2026: +14h
- Nov 1, 2026 – Mar 14, 2027: +15h
- Mar 14, 2027 – Oct 20, 2027: +14h
More conversions
Questions and answers
What is the time difference between South Dakota and Tokyo?
Tokyo is 14 hours ahead of South Dakota.
What time is it in Tokyo when it is 9 AM in South Dakota?
When it is 9:00 AM in South Dakota, it is 11:00 PM in Tokyo.
When is the best time to call Tokyo from South Dakota?
Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in South Dakota (7:00 AM – 8:00 AM in Tokyo): working hours on one side, early or late on the other.
Does the time difference between South Dakota and Tokyo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.