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JST to CST Converter

CST is 14 hours behind JST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.

CST to JST instead

Time difference between JST and CST

CST is 14 hours behind JST for most of the year.

  • 2026: CST is 15 hours behind JST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
  • 2027: CST is 15 hours behind JST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.

JST to CST conversion table

JSTCSTMost of the yearCSTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026
12 AM10 AM−1 day9 AM−1 day
1 AM11 AM−1 day10 AM−1 day
2 AM12 PM−1 day11 AM−1 day
3 AM1 PM−1 day12 PM−1 day
4 AM2 PM−1 day1 PM−1 day
5 AM3 PM−1 day2 PM−1 day
6 AM4 PM−1 day3 PM−1 day
7 AM5 PM−1 day4 PM−1 day
8 AM6 PM−1 day5 PM−1 day
9 AM7 PM−1 day6 PM−1 day
10 AM8 PM−1 day7 PM−1 day
11 AM9 PM−1 day8 PM−1 day
12 PM10 PM−1 day9 PM−1 day
1 PM11 PM−1 day10 PM−1 day
2 PM12 AM11 PM−1 day
3 PM1 AM12 AM
4 PM2 AM1 AM
5 PM3 AM2 AM
6 PM4 AM3 AM
7 PM5 AM4 AM
8 PM6 AM5 AM
9 PM7 AM6 AM
10 PM8 AM7 AM
11 PM9 AM8 AM

Best time to meet

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 11 AM JST (5 PM – 9 PM CST).

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Frequently asked questions

What time is it in CST when it's 9 AM in JST?

7 PM the previous day for most of the year. CST is 14 hours behind JST.

How many hours is CST behind JST?

Usually 14 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: CST is 15 hours behind JST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2027: CST is 15 hours behind JST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.

Does JST use daylight saving time?

No. Japan Standard Time stays at UTC+9 all year.

Does CST use daylight saving time?

Yes. Central Time is UTC−6 (CST) in January and UTC−5 (CDT) in July. Mar 8, 2026: clocks go forward to UTC−5; Nov 1, 2026: clocks go back to UTC−6.

When is the best time to schedule a meeting between JST and CST?

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 7 AM – 11 AM JST (5 PM – 9 PM CST).

Which CST does this page use?

Here CST means US Central Time (UTC−6, CDT UTC−5 in summer), not China Standard Time. For China, see the Beijing pages.

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