Tools
World Clock & Timezone Planner
Live clocks, meeting time finder, working-hours overlap, and DST status for countries worldwide
Live World Clock
Updates every second — times shown in each country's local timezone
United States of America
--:--:--
UTC-4
China +12h
Japan +13h
South Korea +13h
China
--:--:--
UTC+8
United States of America -12h
Japan +1h
South Korea +1h
Japan
--:--:--
UTC+9
United States of America -13h
China -1h
South Korea 0
South Korea
--:--:--
UTC+9
United States of America -13h
China -1h
Japan 0
Time Converter
Pick any date and time to see the equivalent across all selected countries
in
24-Hour Timezone Grid
Hours shown in United States of America local time.
Business hours (9am–5pm)
Transition
Night
Current hour
| Country | Timezone | UTC Offset | DST |
|---|---|---|---|
| United States of America | America/New_York | UTC-4 | DST active |
| China | Asia/Shanghai | UTC+8 | No DST |
| Japan | Asia/Tokyo | UTC+9 | No DST |
| South Korea | Asia/Seoul | UTC+9 | No DST |
Working Hours Overlap
Shared 9am–5pm window across all selected countries — ideal for scheduling meetings
No common business hours across the selected countries.
Daylight Saving Time Status
Whether each country is currently on DST or standard time
United States of America
UTC-4
DST Active
Currently on daylight saving time
China
UTC+8
No DST
Does not observe daylight saving time
Japan
UTC+9
No DST
Does not observe daylight saving time
South Korea
UTC+9
No DST
Does not observe daylight saving time