TimeToZone

CST to Osaka Time Converter

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

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CSTfrom
Central Standard Time
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Osaka
Osaka, Japan
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JST is 15 hours ahead of CST at the moment. To convert CST to Osaka Time, add 15 hours to the CST time: 9:00 AM CST = 12:00 AM JST (next day).

CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year. Osaka Time (Osaka time) is used in Osaka, Japan.

CST here means North American Central Standard Time, not China Standard Time.

CST to Osaka Time time conversion table

CST to Osaka Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

CSTOsaka TimeDay
12:00 AM CST3:00 PM JST—
1:00 AM CST4:00 PM JST—
2:00 AM CST5:00 PM JST—
3:00 AM CST6:00 PM JST—
4:00 AM CST7:00 PM JST—
5:00 AM CST8:00 PM JST—
6:00 AM CST9:00 PM JST—
7:00 AM CST10:00 PM JSTnight
8:00 AM CST11:00 PM JSTnight
9:00 AM CST12:00 AM JSTnext day
10:00 AM CST1:00 AM JSTnext day
11:00 AM CST2:00 AM JSTnext day
12:00 PM CST3:00 AM JSTnext day
1:00 PM CST4:00 AM JSTnext day
2:00 PM CST5:00 AM JSTnext day
3:00 PM CST6:00 AM JSTnext day
4:00 PM CST7:00 AM JSTnext day
5:00 PM CST8:00 AM JSTnext day
6:00 PM CST9:00 AM JSTnext day
7:00 PM CST10:00 AM JSTnext day
8:00 PM CST11:00 AM JSTnext day
9:00 PM CST12:00 PM JSTnext day
10:00 PM CST1:00 PM JSTnext day
11:00 PM CST2:00 PM JSTnext day
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert CST to Osaka Time

Add 15 hours to the CST time to get Osaka Time.

Example: 9:00 AM CST = 12:00 AM JST (next day).

Across midnight: 10:00 PM CST = 1:00 PM JST (next day). The date changes, so always check the day as well as the hour.

Time difference between CST and Osaka Time

The time difference between CST and Osaka Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 31 Dec 2025 – 7 Mar 2026: Osaka Time is 15 hours ahead of CST.
  • 8 Mar 2026 – 31 Oct 2026: Osaka Time is 14 hours ahead of CST.
  • 1 Nov 2026 – 30 Dec 2026: Osaka Time is 15 hours ahead of CST.

CST and Osaka Time during daylight saving time

  • CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
  • Osaka Time does not observe daylight saving time; it stays on UTC+9 all year.

Best time for a meeting between CST and Osaka Time

CST and Osaka Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CST, which is 10:00 PM JST.

Plan a meeting across more time zones.

CST to Osaka Time FAQ

What is the time difference between CST and Osaka Time?

Right now JST is 15 hours ahead of CST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM CST in Osaka Time?

9:00 AM CST is 12:00 AM JST (next day).

What is 12 PM (noon) CST in Osaka Time?

12:00 PM CST is 3:00 AM JST (next day).

Is Osaka Time ahead of or behind CST?

JST is 15 hours ahead of CST, so it is later in Osaka Time than in CST.

Does CST change for daylight saving time?

Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.

Does Osaka Time change for daylight saving time?

No. Osaka Time stays on the same offset all year, so conversions never shift for daylight saving time.

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

CST and Osaka Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM CST, which is 10:00 PM JST.

Is CT the same as CST?

CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert Osaka Time to CST

Convert CST to other time zones

Convert other time zones to Osaka Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.