JST to WIB to IST to SGT
Compare JST time with WIB, IST, and SGT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Japan Standard Time is 2 hours ahead of Western Indonesian Time and 3 hours and 30 minutes ahead of India Standard Time and 1 hour ahead of Singapore Time
9:00 pm21:00 in JST is 7:00 pm19:00 in WIB and is 5:30 pm17:30 in IST and is 8:00 pm20:00 in SGT
JST to WIB call time
Best time for a conference call or a meeting is between 11am-5pm in JST which corresponds to 9am-3pm in WIB
JST to IST call time
Best time for a conference call or a meeting is between 12:30pm-5pm in JST which corresponds to 9am-1:30pm in IST
JST to SGT call time
Best time for a conference call or a meeting is between 10am-5pm in JST which corresponds to 9am-4pm in SGT
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 pm19:00 Western Indonesian Time (WIB). Offset UTC +7:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours
9:00 pm21:00 JST / 7:00 pm19:00 WIB / 5:30 pm17:30 IST / 8:00 pm20:00 SGT
| JST | WIB | IST | SGT |
|---|---|---|---|
| 12am (midnight) | 10pm | 8:30 pm | 11pm |
| 1am | 11pm | 9:30 pm | 12am (midnight) |
| 2am | 12am (midnight) | 10:30 pm | 1am |
| 3am | 1am | 11:30 pm | 2am |
| 4am | 2am | 12:30 am | 3am |
| 5am | 3am | 1:30 am | 4am |
| 6am | 4am | 2:30 am | 5am |
| 7am | 5am | 3:30 am | 6am |
| 8am | 6am | 4:30 am | 7am |
| 9am | 7am | 5:30 am | 8am |
| 10am | 8am | 6:30 am | 9am |
| 11am | 9am | 7:30 am | 10am |
| 12pm (noon) | 10am | 8:30 am | 11am |
| 1pm | 11am | 9:30 am | 12pm (noon) |
| 2pm | 12pm (noon) | 10:30 am | 1pm |
| 3pm | 1pm | 11:30 am | 2pm |
| 4pm | 2pm | 12:30 pm | 3pm |
| 5pm | 3pm | 1:30 pm | 4pm |
| 6pm | 4pm | 2:30 pm | 5pm |
| 7pm | 5pm | 3:30 pm | 6pm |
| 8pm | 6pm | 4:30 pm | 7pm |
| 9pm | 7pm | 5:30 pm | 8pm |
| 10pm | 8pm | 6:30 pm | 9pm |
| 11pm | 9pm | 7:30 pm | 10pm |
| 00:00 | 22:00 | 20:30 | 23:00 |
| 01:00 | 23:00 | 21:30 | 00:00 |
| 02:00 | 00:00 | 22:30 | 01:00 |
| 03:00 | 01:00 | 23:30 | 02:00 |
| 04:00 | 02:00 | 00:30 | 03:00 |
| 05:00 | 03:00 | 01:30 | 04:00 |
| 06:00 | 04:00 | 02:30 | 05:00 |
| 07:00 | 05:00 | 03:30 | 06:00 |
| 08:00 | 06:00 | 04:30 | 07:00 |
| 09:00 | 07:00 | 05:30 | 08:00 |
| 10:00 | 08:00 | 06:30 | 09:00 |
| 11:00 | 09:00 | 07:30 | 10:00 |
| 12:00 | 10:00 | 08:30 | 11:00 |
| 13:00 | 11:00 | 09:30 | 12:00 |
| 14:00 | 12:00 | 10:30 | 13:00 |
| 15:00 | 13:00 | 11:30 | 14:00 |
| 16:00 | 14:00 | 12:30 | 15:00 |
| 17:00 | 15:00 | 13:30 | 16:00 |
| 18:00 | 16:00 | 14:30 | 17:00 |
| 19:00 | 17:00 | 15:30 | 18:00 |
| 20:00 | 18:00 | 16:30 | 19:00 |
| 21:00 | 19:00 | 17:30 | 20:00 |
| 22:00 | 20:00 | 18:30 | 21:00 |
| 23:00 | 21:00 | 19:30 | 22:00 |
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Japan
Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 8.337 million people. Other major cities in this time zone include Yokohama, Osaka shi, Nagoya shi, 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.
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
Western Indonesian Time
Offset: WIB is 7 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Indonesia
Principal Cities: The largest city in the WIB time zone is Jakarta in Indonesia, with about 8.54 million people. Other major cities in this time zone include Surabaya, Medan, Bandung, Bekasi.
Daylight Saving: Clocks in Western Indonesian Time (WIB) do not change for daylight saving time, so WIB stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
WIB 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 an offset of seven hours to the east of the zero meridian.
- Golf - Military abbreviation for WIB
- G - short form of 'Golf'
- Asia/Jakarta
- Asia/Pontianak
- CXT - Christmas Island Time
- DAVT - Davis Time
- G - Golf Time Zone
- HOVT - Hovd Time
- ICT - Indochina Time
- KRAT - Krasnoyarsk Time
- NOVST - Novosibirsk Summer Time
- NOVT - Novosibirsk Time
- OMSST - Omsk Summer Time
- WIB - Western Indonesian Time
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
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 an offset of five hours and thirty minutes 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
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Singapore
Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 3.548 million people.
Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
SGT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time