CST to JST Time Converter

Convert China Standard Time to Japan Standard Time - Quick & Accurate

Shanghai (CST)
Tokyo (JST)
JST is 1 hour ahead of CST

Quick Time Conversion

Shanghai
China Standard Time
UTC+8
Tokyo
Japan Standard Time
UTC+9

Current Time Right Now

China Standard Time (CST)
Japan Standard Time (JST)

Updates live every second

24-Hour Visual Comparison

CST (Shanghai)
12am CST
1am CST
2am CST
3am CST
4am CST
5am CST
6am CST
7am CST
8am CST
9am CST
10am CST
11am CST
12pm CST
1pm CST
2pm CST
3pm CST
4pm CST
5pm CST
6pm CST
7pm CST
8pm CST
9pm CST
10pm CST
11pm CST
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JST (Tokyo)
1am JST
2am JST
3am JST
4am JST
5am JST
6am JST
7am JST
8am JST
9am JST
10am JST
11am JST
12pm JST
1pm JST
2pm JST
3pm JST
4pm JST
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
12am JST
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between CST and JST:

Best Window (CST)
8:00 AM - 5:00 PM
Which is (JST)
9:00 AM - 6:00 PM
Both parties in business hours
9-hour overlap window
Ideal for China-Japan collaboration

Pro Tip: Schedule calls between 9:00 AM - 4:00 PM CST for maximum overlap with JST business hours

Complete CST to JST Conversion Table

CST TimeJST TimeContext
12:00 AM01:00 AM
Midnight China
01:00 AM02:00 AM
Late Night
02:00 AM03:00 AM
Late Night
03:00 AM04:00 AM
Late Night
04:00 AM05:00 AM
Late Night
05:00 AM06:00 AM
Late Night
06:00 AM07:00 AM
Early Morning CST
07:00 AM08:00 AM
Night Time
08:00 AM09:00 AM
Work Starts CST
09:00 AM10:00 AM
Meeting Window
10:00 AM11:00 AM
Meeting Window
11:00 AM12:00 PM
Meeting Window

China Standard Time (CST)

UTC+8
No DST observed
Major Cities:
  • • Shanghai
  • • Beijing
  • • Shenzhen
  • • Guangzhou
Daylight Saving:

Not observed

IANA Identifier:

Asia/Shanghai

Japan Standard Time (JST)

UTC+9
No DST observed
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
Daylight Saving:

Not observed

IANA Identifier:

Asia/Tokyo

China Standard Time (CST) vs Japan Standard Time (JST)

China Standard Time (CST)Japan Standard Time (JST)

China Standard Time (CST) is 8 hours ahead of Coordinated Universal Time (UTC+8). China does not observe Daylight Saving Time, maintaining the same offset year-round across the entire country.

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe Daylight Saving Time, keeping a consistent offset throughout the year.

Where Is It Used?

  • China: Entire country uses CST
  • Major Cities: Shanghai, Beijing, Shenzhen, Guangzhou, Chongqing, Tianjin
  • Coverage: Single time zone despite spanning 5 geographical zones
  • Japan: Entire country uses JST
  • Major Cities: Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Fukuoka, Kobe
  • Coverage: Single time zone for entire nation

Key Facts

  • UTC Offset: UTC+8
  • Region: East Asia
  • Known For: Manufacturing, technology, trade
  • Population: Over 1.4 billion people
  • Daylight Saving: Not observed
  • Economy: Second largest economy in the world
  • UTC Offset: UTC+9
  • Region: East Asia
  • Known For: Technology, manufacturing, innovation
  • Population: Over 125 million people
  • Daylight Saving: Not observed
  • Economy: Third largest economy in the world

Quick Reference

Time Difference: JST is 1 hour ahead of CST year-round
Consistency: This difference remains constant as neither observes DST
Distance: Approximately 1,100 miles between Shanghai and Tokyo
UTC Offsets: CST = UTC+8, JST = UTC+9

Frequently Asked Questions

JST (Japan Standard Time) is 1 hour ahead of CST (China Standard Time). This means when it's 12:00 PM in Shanghai (CST), it's 1:00 PM in Tokyo (JST).

The best time to call from CST to JST is between 8:00 AM and 5:00 PM CST, which corresponds to 9:00 AM to 6:00 PM JST. This ensures both parties are within standard business hours.

No, the time difference remains constant at 1 hour. Neither China nor Japan observes Daylight Saving Time, so the offset stays consistent year-round.

CST cities include Shanghai, Beijing, Shenzhen, and Guangzhou. JST cities include Tokyo, Osaka, and Yokohama. All major Chinese cities use CST despite the country's vast size.

Despite spanning five geographical time zones, China uses a single time zone (CST, UTC+8) for the entire country. This was established in 1949 to promote national unity and simplify administration.

Related Time Converters

JST → CSTCST → UTCJST → UTCCST → ESTJST → PSTCST → PSTJST → GMTView All