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CST to JST Time Converter

JST is 15 hours ahead of CST right now. 9:00 AM in CST is 12:00 AM in JST (next day).

Time now: CST and JST

🌐 Central Time (US & Canada)5:58 PMMonday, November 9 · UTC-06:00
🌐 Japan Standard Time (JST)8:58 AMTuesday, November 10 · UTC+09:00

JST is 15 hours ahead of CST right now. The gap is not fixed: it is 14 hours at some times of the year and 15 hours at others, because at least one of them changes its clocks for daylight saving time.

CST to JST conversion table

Every hour of the day, using today's time difference.

CSTJST
12:00 AM3:00 PM
1:00 AM4:00 PM
2:00 AM5:00 PM
3:00 AM6:00 PM
4:00 AM7:00 PM
5:00 AM8:00 PM
6:00 AM9:00 PM
7:00 AM10:00 PM
8:00 AM11:00 PM
9:00 AM12:00 AMnext day
10:00 AM1:00 AMnext day
11:00 AM2:00 AMnext day
12:00 PM3:00 AMnext day
1:00 PM4:00 AMnext day
2:00 PM5:00 AMnext day
3:00 PM6:00 AMnext day
4:00 PM7:00 AMnext day
5:00 PM8:00 AMnext day
6:00 PM9:00 AMnext day
7:00 PM10:00 AMnext day
8:00 PM11:00 AMnext day
9:00 PM12:00 PMnext day
10:00 PM1:00 PMnext day
11:00 PM2:00 PMnext day

Best time to meet between CST and JST

There is no overlap between 9 AM and 6 PM in both places.

If both sides can be flexible (7 AM – 10 PM):

  • 4:00 PM – 10:00 PM CST = 7:00 AM – 1:00 PM JST

The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.

Does the time difference between CST and JST change?

Yes. Right now JST is 15 hours ahead of CST. These are the dates in the next 12 months when the gap changes:

  • Sunday, 14 March 2027: CST moves its clocks forward. JST is 14 hours ahead of CST from then (it was 15 hours before).
  • Sunday, 7 November 2027: CST moves its clocks back. JST is 15 hours ahead of CST from then (it was 14 hours before).

Office hours in each other's time

  • 9 AM to 6 PM in CST is 12:00 AM (next day) to 9:00 AM (next day) in JST.
  • 9 AM to 6 PM in JST is 6:00 PM (previous day) to 3:00 AM in CST.

Based on today's clock settings.

Frequently asked questions

What is the time difference between CST and JST?

JST is 15 hours ahead of CST right now. The gap is not fixed: it is 14 hours at some times of the year and 15 hours at others, because at least one of them changes its clocks for daylight saving time.

How do I convert CST to JST?

Add 15 hours to the CST time to get the JST time (at today's difference). 9:00 AM in CST is 12:00 AM in JST (next day). Or use the converter above and pick any date and time.

What is the current time in JST?

It is 8:58 AM in JST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 5:58 PM in CST.

Does the time difference between CST and JST change during the year?

Yes. Right now JST is 15 hours ahead of CST. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: CST moves its clocks forward. JST is 14 hours ahead of CST from then (it was 15 hours before). Sunday, 7 November 2027: CST moves its clocks back. JST is 15 hours ahead of CST from then (it was 14 hours before).

What is the best time for a meeting between CST and JST?

The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM CST = 7:00 AM – 1:00 PM JST.

What does CST mean?

Central Time is CST (UTC-06:00) in winter and CDT (UTC-05:00) in summer.

More conversions

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