JST to IST to UTC to CET
Time Difference
Japan Standard Time is 3 hours and 30 minutes ahead of India Standard Time and 9 hours ahead of Universal Time Coordinated and 7 hours ahead of Central European Summer Time
7:00 pm19:00 in JST is 3:30 pm15:30 in IST and is 10:00 am10:00 in UTC and is 12:00 pm12:00 in CEST
JST to IST call time
Best time for a conference call or a meeting is between 11:30am-6pm in JST which corresponds to 8am-2:30pm in IST
JST to UTC call time
Best time for a conference call or a meeting is between 5pm-7pm in JST which corresponds to 8am-10am in UTC
JST to CET call time
Best time for a conference call or a meeting is between 4pm-6pm in JST which corresponds to 8am-10am in CET
7:00 pm19:00 Japan Standard Time (JST). Offset UTC +9:00 hours
3:30 pm15:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 am10:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
12:00 pm12:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 JST / 3:30 pm15:30 IST / 10:00 am10:00 UTC / 12:00 pm12:00 CEST
| JST | IST | UTC | CEST |
|---|---|---|---|
| 12am (midnight) | 8:30 pm | 3pm | 5pm |
| 1am | 9:30 pm | 4pm | 6pm |
| 2am | 10:30 pm | 5pm | 7pm |
| 3am | 11:30 pm | 6pm | 8pm |
| 4am | 12:30 am | 7pm | 9pm |
| 5am | 1:30 am | 8pm | 10pm |
| 6am | 2:30 am | 9pm | 11pm |
| 7am | 3:30 am | 10pm | 12am (midnight) |
| 8am | 4:30 am | 11pm | 1am |
| 9am | 5:30 am | 12am (midnight) | 2am |
| 10am | 6:30 am | 1am | 3am |
| 11am | 7:30 am | 2am | 4am |
| 12pm (noon) | 8:30 am | 3am | 5am |
| 1pm | 9:30 am | 4am | 6am |
| 2pm | 10:30 am | 5am | 7am |
| 3pm | 11:30 am | 6am | 8am |
| 4pm | 12:30 pm | 7am | 9am |
| 5pm | 1:30 pm | 8am | 10am |
| 6pm | 2:30 pm | 9am | 11am |
| 7pm | 3:30 pm | 10am | 12pm (noon) |
| 8pm | 4:30 pm | 11am | 1pm |
| 9pm | 5:30 pm | 12pm (noon) | 2pm |
| 10pm | 6:30 pm | 1pm | 3pm |
| 11pm | 7:30 pm | 2pm | 4pm |
| 0:00 | 20:30 | 15:00 | 17:00 |
| 1:00 | 21:30 | 16:00 | 18:00 |
| 2:00 | 22:30 | 17:00 | 19:00 |
| 3:00 | 23:30 | 18:00 | 20:00 |
| 4:00 | 0:30 | 19:00 | 21:00 |
| 5:00 | 1:30 | 20:00 | 22:00 |
| 6:00 | 2:30 | 21:00 | 23:00 |
| 7:00 | 3:30 | 22:00 | 0:00 |
| 8:00 | 4:30 | 23:00 | 1:00 |
| 9:00 | 5:30 | 0:00 | 2:00 |
| 10:00 | 6:30 | 1:00 | 3:00 |
| 11:00 | 7:30 | 2:00 | 4:00 |
| 12:00 | 8:30 | 3:00 | 5:00 |
| 13:00 | 9:30 | 4:00 | 6:00 |
| 14:00 | 10:30 | 5:00 | 7:00 |
| 15:00 | 11:30 | 6:00 | 8:00 |
| 16:00 | 12:30 | 7:00 | 9:00 |
| 17:00 | 13:30 | 8:00 | 10:00 |
| 18:00 | 14:30 | 9:00 | 11:00 |
| 19:00 | 15:30 | 10:00 | 12:00 |
| 20:00 | 16:30 | 11:00 | 13:00 |
| 21:00 | 17:30 | 12:00 | 14:00 |
| 22:00 | 18:30 | 13:00 | 15:00 |
| 23:00 | 19:30 | 14:00 | 16:00 |
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
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
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
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