JST
Japan Standard Time
GMT +9
IST
India Standard Time
GMT +5:30
Time Difference
Japan Standard Time is 3 hours and 30 minutes ahead of India Standard Time
1:30 am01:30 in JST is 10:00 pm22:00 in IST
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
1:30 am01:30 Japan Standard Time (JST). Offset UTC +9:00 hours
10:00 pm22:00 India Standard Time (IST). Offset UTC +5:30 hours
1:30 am01:30 JST / 10:00 pm22:00 IST
| JST | IST |
|---|---|
| 12am (midnight) | 8:30 pm |
| 1am | 9:30 pm |
| 2am | 10:30 pm |
| 3am | 11:30 pm |
| 4am | 12:30 am |
| 5am | 1:30 am |
| 6am | 2:30 am |
| 7am | 3:30 am |
| 8am | 4:30 am |
| 9am | 5:30 am |
| 10am | 6:30 am |
| 11am | 7:30 am |
| 12pm (noon) | 8:30 am |
| 1pm | 9:30 am |
| 2pm | 10:30 am |
| 3pm | 11:30 am |
| 4pm | 12:30 pm |
| 5pm | 1:30 pm |
| 6pm | 2:30 pm |
| 7pm | 3:30 pm |
| 8pm | 4:30 pm |
| 9pm | 5:30 pm |
| 10pm | 6:30 pm |
| 11pm | 7:30 pm |
| 0:00 | 20:30 |
| 1:00 | 21:30 |
| 2:00 | 22:30 |
| 3:00 | 23:30 |
| 4:00 | 0:30 |
| 5:00 | 1:30 |
| 6:00 | 2:30 |
| 7:00 | 3:30 |
| 8:00 | 4:30 |
| 9:00 | 5:30 |
| 10:00 | 6:30 |
| 11:00 | 7:30 |
| 12:00 | 8:30 |
| 13:00 | 9:30 |
| 14:00 | 10:30 |
| 15:00 | 11:30 |
| 16:00 | 12:30 |
| 17:00 | 13:30 |
| 18:00 | 14:30 |
| 19:00 | 15:30 |
| 20:00 | 16:30 |
| 21:00 | 17:30 |
| 22:00 | 18:30 |
| 23:00 | 19:30 |
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
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +09 - basic short
- +0900 - basic
- +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +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.
Military/NATO: Used by the U.S. military, Chinese military and others
- India - Military abbreviation for JST
- I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Tokyo
- Japan
Time zones with the GMT +9 offset:
- 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
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
