Time Difference Between Cheonan and Tokyo

Tokyo is the same time as Cheonan.

South Korea

Cheonan

Asia/Seoul · UTC+9

Japan

Tokyo

Asia/Tokyo · UTC+9

Best Times to Meet

Hours where standard working time (9 AM – 6 PM) overlaps in both Cheonan and Tokyo.

  • Cheonan

    9:00 AM

    Tokyo

    9:00 AM

  • Cheonan

    10:00 AM

    Tokyo

    10:00 AM

  • Cheonan

    11:00 AM

    Tokyo

    11:00 AM

  • Cheonan

    12:00 PM

    Tokyo

    12:00 PM

  • Cheonan

    1:00 PM

    Tokyo

    1:00 PM

  • Cheonan

    2:00 PM

    Tokyo

    2:00 PM

  • Cheonan

    3:00 PM

    Tokyo

    3:00 PM

  • Cheonan

    4:00 PM

    Tokyo

    4:00 PM

  • Cheonan

    5:00 PM

    Tokyo

    5:00 PM

Cheonan to Tokyo — 24-Hour Conversion

Each row shows the equivalent local time in Tokyo for an hour in Cheonan. Working-hours rows (9–18) are highlighted.

CheonanTokyoMatch
Off hours
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Off hours
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Off hours
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Best for meetings
Off hours
Off hours
Off hours
Off hours
Off hours
Off hours

Frequently Asked Questions

What is the time difference between Cheonan and Tokyo?

Tokyo, Japan (UTC+9) is same time as Cheonan, South Korea (UTC+9).

What is the best time to schedule a meeting between Cheonan and Tokyo?

The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.

Does daylight saving time change the difference between Cheonan and Tokyo?

Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.

When it is 9 AM in Cheonan, what time is it in Tokyo?

Use the conversion table on this page — every hour in Cheonan is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.