CST to JST: Convert US Central to Japan Time
Need to convert CST to JST? Japan (JST) is +15 hours from US Central (CST). Whether you are scheduling a call, planning a meeting, or coordinating with a remote team, this quick reference shows common time conversions between CST and JST. Use our Timezone Converter for any custom time.
Quick Answer
| Label | Value |
|---|---|
| 9:00 AM CST | 12:00 AM JST (next day) |
| 12:00 PM CST | 3:00 AM JST (next day) |
| 3:00 PM CST | 6:00 AM JST (next day) |
| 6:00 PM CST | 9:00 AM JST (next day) |
How It Works
JST = CST +15 hours. US Central (CST) is UTC-6 and Japan (JST) is UTC+9. The difference is +15 hours. Add +15 hours to any CST time to get JST. If the result exceeds 11:59 PM, it rolls to the next day. Our Timezone Converter handles all the math including half-hour offsets and day boundaries.
Use Our Calculator
Try our Timezone Converter for your own numbers: /calculators/timezone-converter
Related Calculators
9:00 AM CST is 12:00 AM JST. The offset is +15 hours.
This converter uses standard time offsets. During daylight saving in either region, the offset may shift by 1 hour. Check specific dates for accuracy.
Look for overlapping business hours (9 AM - 5 PM) in both zones. With a +15-hour difference, the overlap depends on how far apart the zones are. Use our converter to check specific times.