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CST to JST converter
Central Time
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Japan Standard Time
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Japan Standard Time is 14 hours ahead of Central Time for most of the year, and 15 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: Japan Standard Time is 15 hours ahead of Central Time
- March 8 to October 31: Japan Standard Time is 14 hours ahead of Central Time
- November 1 to December 31: Japan Standard Time is 15 hours ahead of Central Time
Questions
What time is 9 AM CST in JST?
For most of the year, 9 AM Central Time is 11 PM Japan Standard Time. For part of the year it is 12 AM the next day, because of daylight saving time.
How many hours ahead or behind is JST from CST?
Japan Standard Time is 14 hours ahead of Central Time for most of the year, and 15 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the CST to JST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
CST to JST, hour by hour
| Central Time | Japan Standard Time |
|---|---|
| 12 AM | 2 PM |
| 1 AM | 3 PM |
| 2 AM | 4 PM |
| 3 AM | 5 PM |
| 4 AM | 6 PM |
| 5 AM | 7 PM |
| 6 AM | 8 PM |
| 7 AM | 9 PM |
| 8 AM | 10 PM |
| 9 AM | 11 PM |
| 10 AM | 12 AM (next day) |
| 11 AM | 1 AM (next day) |
| 12 PM | 2 AM (next day) |
| 1 PM | 3 AM (next day) |
| 2 PM | 4 AM (next day) |
| 3 PM | 5 AM (next day) |
| 4 PM | 6 AM (next day) |
| 5 PM | 7 AM (next day) |
| 6 PM | 8 AM (next day) |
| 7 PM | 9 AM (next day) |
| 8 PM | 10 AM (next day) |
| 9 PM | 11 AM (next day) |
| 10 PM | 12 PM (next day) |
| 11 PM | 1 PM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.