JST to IDT to BST to EDT to CDT to MDT to PDT
Time Difference
Japan Standard Time is 6 hours ahead of Israel Daylight Time and 8 hours ahead of British Summer Time and 13 hours ahead of Eastern Daylight Time and 14 hours ahead of Central Daylight Time and 15 hours ahead of Mountain Daylight Time and 16 hours ahead of Pacific Daylight Time
2:00 am02:00 in JST is 8:00 pm20:00 in IDT and is 6:00 pm18:00 in BST and is 1:00 pm13:00 in EDT and is 12:00 pm12:00 in CDT and is 11:00 am11:00 in MDT and is 10:00 am10:00 in PDT
JST to IDT call time
Best time for a conference call or a meeting is between 2pm-6pm in JST which corresponds to 8am-12pm in IDT
JST to BST call time
Best time for a conference call or a meeting is between 4pm-6pm in JST which corresponds to 8am-10am in BST
JST to EDT call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in JST which corresponds to 6:30am-8:30am in EDT
JST to CDT call time
Best time for a conference call or a meeting is between 8pm-10pm in JST which corresponds to 6am-8am in CDT
JST to MDT call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in JST which corresponds to 5:30am-7:30am in MDT
JST to PDT call time
Best time for a conference call or a meeting is between 9pm-11pm in JST which corresponds to 5am-7am in PDT
2:00 am02:00 Japan Standard Time (JST). Offset UTC +9:00 hours
8:00 pm20:00 Israel Daylight Time (IDT). Offset UTC +3:00 hours
6:00 pm18:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 pm13:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 pm12:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 am11:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
10:00 am10:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
2:00 am02:00 JST / 8:00 pm20:00 IDT / 6:00 pm18:00 BST / 1:00 pm13:00 EDT / 12:00 pm12:00 CDT / 11:00 am11:00 MDT / 10:00 am10:00 PDT
JST | IDT | BST | EDT | CDT | MDT | PDT |
---|---|---|---|---|---|---|
12am (midnight) | 6pm | 4pm | 11am | 10am | 9am | 8am |
1am | 7pm | 5pm | 12pm (noon) | 11am | 10am | 9am |
2am | 8pm | 6pm | 1pm | 12pm (noon) | 11am | 10am |
3am | 9pm | 7pm | 2pm | 1pm | 12pm (noon) | 11am |
4am | 10pm | 8pm | 3pm | 2pm | 1pm | 12pm (noon) |
5am | 11pm | 9pm | 4pm | 3pm | 2pm | 1pm |
6am | 12am (midnight) | 10pm | 5pm | 4pm | 3pm | 2pm |
7am | 1am | 11pm | 6pm | 5pm | 4pm | 3pm |
8am | 2am | 12am (midnight) | 7pm | 6pm | 5pm | 4pm |
9am | 3am | 1am | 8pm | 7pm | 6pm | 5pm |
10am | 4am | 2am | 9pm | 8pm | 7pm | 6pm |
11am | 5am | 3am | 10pm | 9pm | 8pm | 7pm |
12pm (noon) | 6am | 4am | 11pm | 10pm | 9pm | 8pm |
1pm | 7am | 5am | 12am (midnight) | 11pm | 10pm | 9pm |
2pm | 8am | 6am | 1am | 12am (midnight) | 11pm | 10pm |
3pm | 9am | 7am | 2am | 1am | 12am (midnight) | 11pm |
4pm | 10am | 8am | 3am | 2am | 1am | 12am (midnight) |
5pm | 11am | 9am | 4am | 3am | 2am | 1am |
6pm | 12pm (noon) | 10am | 5am | 4am | 3am | 2am |
7pm | 1pm | 11am | 6am | 5am | 4am | 3am |
8pm | 2pm | 12pm (noon) | 7am | 6am | 5am | 4am |
9pm | 3pm | 1pm | 8am | 7am | 6am | 5am |
10pm | 4pm | 2pm | 9am | 8am | 7am | 6am |
11pm | 5pm | 3pm | 10am | 9am | 8am | 7am |
0:00 | 18:00 | 16:00 | 11:00 | 10:00 | 9:00 | 8:00 |
1:00 | 19:00 | 17:00 | 12:00 | 11:00 | 10:00 | 9:00 |
2:00 | 20:00 | 18:00 | 13:00 | 12:00 | 11:00 | 10:00 |
3:00 | 21:00 | 19:00 | 14:00 | 13:00 | 12:00 | 11:00 |
4:00 | 22:00 | 20:00 | 15:00 | 14:00 | 13:00 | 12:00 |
5:00 | 23:00 | 21:00 | 16:00 | 15:00 | 14:00 | 13:00 |
6:00 | 0:00 | 22:00 | 17:00 | 16:00 | 15:00 | 14:00 |
7:00 | 1:00 | 23:00 | 18:00 | 17:00 | 16:00 | 15:00 |
8:00 | 2:00 | 0:00 | 19:00 | 18:00 | 17:00 | 16:00 |
9:00 | 3:00 | 1:00 | 20:00 | 19:00 | 18:00 | 17:00 |
10:00 | 4:00 | 2:00 | 21:00 | 20:00 | 19:00 | 18:00 |
11:00 | 5:00 | 3:00 | 22:00 | 21:00 | 20:00 | 19:00 |
12:00 | 6:00 | 4:00 | 23:00 | 22:00 | 21:00 | 20:00 |
13:00 | 7:00 | 5:00 | 0:00 | 23:00 | 22:00 | 21:00 |
14:00 | 8:00 | 6:00 | 1:00 | 0:00 | 23:00 | 22:00 |
15:00 | 9:00 | 7:00 | 2:00 | 1:00 | 0:00 | 23:00 |
16:00 | 10:00 | 8:00 | 3:00 | 2:00 | 1:00 | 0:00 |
17:00 | 11:00 | 9:00 | 4:00 | 3:00 | 2:00 | 1:00 |
18:00 | 12:00 | 10:00 | 5:00 | 4:00 | 3:00 | 2:00 |
19:00 | 13:00 | 11:00 | 6:00 | 5:00 | 4:00 | 3:00 |
20:00 | 14:00 | 12:00 | 7:00 | 6:00 | 5:00 | 4:00 |
21:00 | 15:00 | 13:00 | 8:00 | 7:00 | 6:00 | 5:00 |
22:00 | 16:00 | 14:00 | 9:00 | 8:00 | 7:00 | 6:00 |
23:00 | 17:00 | 15:00 | 10:00 | 9:00 | 8:00 | 7:00 |
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
Israel Daylight Time
Offset: IDT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Israel
Principal Cities: The largest city in the IDT timezone is Jerusalem from Israel with population about 801,000 people. Other major cities in the area are West Jerusalem, Haifa, Tel Aviv, Ashdod

Daylight Saving: Israel Daylight Time (IDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Israel Standard Time (IST).
Start: Israel Daylight Time (IDT) started on Friday, March 28, 2025 at 2:00 am local time and clocks were set one hour forward to Friday, March 28, 2025, 3:00 am. Daylight saving starts annually the on last Sunday of March
End: Israel Daylight Time (IDT) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
IDT representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the east of the zero meridian.
- Charlie - Military abbreviation for IDT
- C - short form of 'Charlie'
- Asia/Jerusalem
- Asia/Tel_Aviv
- Israel
- Israel Daylight Time - UTC +3
- Iran Daylight Time - UTC +4:30
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
BST 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 BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- Brasilia Standard Time - UTC -3
- 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
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) 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: Eastern Daylight Time (EDT) 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
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
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
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) 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: Mountain Daylight Time (MDT) 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
MDT 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 MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone