CET to JST to IST to CDT to CST
Time Difference
Central European Summer Time is 7 hours behind Japan Standard Time and 3 hours and 30 minutes behind India Standard Time and 7 hours ahead of Central Daylight Time and 7 hours ahead of Central Daylight Time
8:00 pm20:00 in CEST is 3:00 am03:00 in JST and is 11:30 pm23:30 in IST and is 1:00 pm13:00 in CDT and is 1:00 pm13:00 in CDT
CET to JST call time
Best time for a conference call or a meeting is between 8am-10am in CET which corresponds to 4pm-6pm in JST
CET to IST call time
Best time for a conference call or a meeting is between 8am-1:30pm in CET which corresponds to 12:30pm-6pm in IST
CET to CDT call time
Best time for a conference call or a meeting is between 2pm-6pm in CET which corresponds to 8am-12pm in CDT
CET to CST call time
Best time for a conference call or a meeting is between 3pm-6pm in CET which corresponds to 8am-11am in CST
8:00 pm20:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
3:00 am03:00 Japan Standard Time (JST). Offset UTC +9:00 hours
11:30 pm23:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 pm13:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:00 pm20:00 CEST / 3:00 am03:00 JST / 11:30 pm23:30 IST / 1:00 pm13:00 CDT / 1:00 pm13:00 CDT
CEST | JST | IST | CDT | CDT |
---|---|---|---|---|
12am (midnight) | 7am | 3:30 am | 5pm | 5pm |
1am | 8am | 4:30 am | 6pm | 6pm |
2am | 9am | 5:30 am | 7pm | 7pm |
3am | 10am | 6:30 am | 8pm | 8pm |
4am | 11am | 7:30 am | 9pm | 9pm |
5am | 12pm (noon) | 8:30 am | 10pm | 10pm |
6am | 1pm | 9:30 am | 11pm | 11pm |
7am | 2pm | 10:30 am | 12am (midnight) | 12am (midnight) |
8am | 3pm | 11:30 am | 1am | 1am |
9am | 4pm | 12:30 pm | 2am | 2am |
10am | 5pm | 1:30 pm | 3am | 3am |
11am | 6pm | 2:30 pm | 4am | 4am |
12pm (noon) | 7pm | 3:30 pm | 5am | 5am |
1pm | 8pm | 4:30 pm | 6am | 6am |
2pm | 9pm | 5:30 pm | 7am | 7am |
3pm | 10pm | 6:30 pm | 8am | 8am |
4pm | 11pm | 7:30 pm | 9am | 9am |
5pm | 12am (midnight) | 8:30 pm | 10am | 10am |
6pm | 1am | 9:30 pm | 11am | 11am |
7pm | 2am | 10:30 pm | 12pm (noon) | 12pm (noon) |
8pm | 3am | 11:30 pm | 1pm | 1pm |
9pm | 4am | 12:30 am | 2pm | 2pm |
10pm | 5am | 1:30 am | 3pm | 3pm |
11pm | 6am | 2:30 am | 4pm | 4pm |
0:00 | 7:00 | 3:30 | 17:00 | 17:00 |
1:00 | 8:00 | 4:30 | 18:00 | 18:00 |
2:00 | 9:00 | 5:30 | 19:00 | 19:00 |
3:00 | 10:00 | 6:30 | 20:00 | 20:00 |
4:00 | 11:00 | 7:30 | 21:00 | 21:00 |
5:00 | 12:00 | 8:30 | 22:00 | 22:00 |
6:00 | 13:00 | 9:30 | 23:00 | 23:00 |
7:00 | 14:00 | 10:30 | 0:00 | 0:00 |
8:00 | 15:00 | 11:30 | 1:00 | 1:00 |
9:00 | 16:00 | 12:30 | 2:00 | 2:00 |
10:00 | 17:00 | 13:30 | 3:00 | 3:00 |
11:00 | 18:00 | 14:30 | 4:00 | 4:00 |
12:00 | 19:00 | 15:30 | 5:00 | 5:00 |
13:00 | 20:00 | 16:30 | 6:00 | 6:00 |
14:00 | 21:00 | 17:30 | 7:00 | 7:00 |
15:00 | 22:00 | 18:30 | 8:00 | 8:00 |
16:00 | 23:00 | 19:30 | 9:00 | 9:00 |
17:00 | 0:00 | 20:30 | 10:00 | 10:00 |
18:00 | 1:00 | 21:30 | 11:00 | 11:00 |
19:00 | 2:00 | 22:30 | 12:00 | 12:00 |
20:00 | 3:00 | 23:30 | 13:00 | 13:00 |
21:00 | 4:00 | 0:30 | 14:00 | 14:00 |
22:00 | 5:00 | 1:30 | 15:00 | 15:00 |
23:00 | 6:00 | 2:30 | 16:00 | 16:00 |
Central European Time
Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City
Principal Cities: The largest city in the CET timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Algiers
German: MEZ - Mitteleuropäische Zeit

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central European Summer Time (CEST).
End: Central European Time (CET) has ended on Sunday, March 30, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of March.
Start: Central European Time (CET) starts on Sunday, October 26, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually the on last Sunday of October.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

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 nine hour and zero minutes time differences 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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
CDT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
CST 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 six hour and zero minutes time differences to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone