JST to CT Converter
No shared working hoursFri, Oct 16
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Quick answers
Selected conversion
9:00 pm21:00 JST (UTC+9), Oct 16, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 16, 2026
JST is 14 hours ahead of CDT.
How the time difference changes
For most of the year, JST is 14 hours ahead of CT. From Nov 1, 2026 to Mar 14, 2027, JST is 15 hours ahead of CT.
For most of the year, working hours of 9:00 am to 6:00 pm in JST correspond to 7:00 pm (previous day) to 4:00 am in CT. At other times of the year, working hours of 9:00 am to 6:00 pm in JST correspond to 6:00 pm (previous day) to 3:00 am in CT.For most of the year, working hours of 09:00 to 18:00 in JST correspond to 19:00 (previous day) to 04:00 in CT. At other times of the year, working hours of 09:00 to 18:00 in JST correspond to 18:00 (previous day) to 03:00 in CT.
Compare JST time with CT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Japan Standard Time is 14 hours ahead of Central Daylight Time.
9:00 pm21:00 in JST is 7:00 am07:00 in CDT
JST to CDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in JST which corresponds to 6pm-7pm18:00-19:00 in CDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:00 pm21:00 JST / 7:00 am07:00 CDT
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Japan Standard Time
Offset: JST is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Japan
Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 9.733 million people. Other major cities in this time zone include Yokohama, Osaka, Nagoya, Sapporo.
Daylight Saving: Clocks in Japan Standard Time (JST) do not change for daylight saving time, so JST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
Central Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CT time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−6 (Central Standard Time, MDT).
CT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CT
- S - short form of 'Sierra'
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone