Offset
The time difference between Japan Standard Time and Central Time is 14 hours.
Japan Standard Time (JST) is ahead of Central Time (CDT).
JST: UTC+9
CDT: UTC-5
Central Time is currently observing daylight saving time; Japan Standard Time is not.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Japan Standard Time and Central Time don't overlap on the same weekday. Central Time is 14 hours behind Japan Standard Time.
Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Japan Standard Time is also known as JST. To call Japan, dial +81.
Central Time is also known as CST, or CDT. To call United States, dial +1.
Central Time is approximately 6,300 miles northeast of Japan Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| JST | CST | Day |
|---|---|---|
| 12:00 am | 10:00 am | -1 day |
| 1:00 am | 11:00 am | -1 day |
| 2:00 am | 12:00 pm | -1 day |
| 3:00 am | 1:00 pm | -1 day |
| 4:00 am | 2:00 pm | -1 day |
| 5:00 am | 3:00 pm | -1 day |
| 6:00 am | 4:00 pm | -1 day |
| 7:00 am | 5:00 pm | -1 day |
| 8:00 am | 6:00 pm | -1 day |
| 9:00 am | 7:00 pm | -1 day |
| 10:00 am | 8:00 pm | -1 day |
| 11:00 am | 9:00 pm | -1 day |
| 12:00 pm | 10:00 pm | -1 day |
| 1:00 pm | 11:00 pm | -1 day |
| 2:00 pm | 12:00 am | Same day |
| 3:00 pm | 1:00 am | Same day |
| 4:00 pm | 2:00 am | Same day |
| 5:00 pm | 3:00 am | Same day |
| 6:00 pm | 4:00 am | Same day |
| 7:00 pm | 5:00 am | Same day |
| 8:00 pm | 6:00 am | Same day |
| 9:00 pm | 7:00 am | Same day |
| 10:00 pm | 8:00 am | Same day |
| 11:00 pm | 9:00 am | Same day |
Daylight saving time
Central Time observes daylight saving time; Japan Standard Time does not. The offset between the two zones changes when Central Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:41 AM
- Sunset
- 6:55 PM
- Day length
- 14h 14m
- Sunrise
- 5:34 AM
- Sunset
- 8:21 PM
- Day length
- 14h 46m
Cities in these zones
Cities in Japan Standard Time
Cities in Central Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Airports in Central Time
- GYY
- MDW
- ORD
- HOU
- IAH
- SAT
- DAL
- DFW
- AUS
- BNA
Related conversions
Common conversions
- What is 9:00 am JST in CST?
- 9:00 am JST is 7:00 pm CST, the previous day.
- What is 12:00 pm JST in CST?
- 12:00 pm JST is 10:00 pm CST, the previous day.
- What is 12:30 pm JST in CST?
- 12:30 pm JST is 10:30 pm CST, the previous day.
- What is 2:00 pm JST in CST?
- 2:00 pm JST is 12:00 am CST.
- What is 5:00 pm JST in CST?
- 5:00 pm JST is 3:00 am CST.
- What is 11:30 pm JST in CST?
- 11:30 pm JST is 9:30 am CST.