JST to WIB to IST to SGT
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
9:30 am09:30 in JST is 7:30 am07:30 in WIB and is 6:00 am06:00 in IST and is 8:30 am08:30 in SGT
JST to WIB call time
Best time for a conference call or a meeting is between 10am-6pm in JST which corresponds to 8am-4pm in WIB
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 SGT call time
Best time for a conference call or a meeting is between 9am-6pm in JST which corresponds to 8am-5pm in SGT
9:30 am09:30 Japan Standard Time (JST). Offset UTC +9:00 hours
7:30 am07:30 Western Indonesian Time (WIB). Offset UTC +7:00 hours
6:00 am06:00 India Standard Time (IST). Offset UTC +5:30 hours
8:30 am08:30 Singapore Time (SGT). Offset UTC +8:00 hours
9:30 am09:30 JST / 7:30 am07:30 WIB / 6:00 am06:00 IST / 8:30 am08:30 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 |
| 0:00 | 22:00 | 20:30 | 23:00 |
| 1:00 | 23:00 | 21:30 | 0:00 |
| 2:00 | 0:00 | 22:30 | 1:00 |
| 3:00 | 1:00 | 23:30 | 2:00 |
| 4:00 | 2:00 | 0:30 | 3:00 |
| 5:00 | 3:00 | 1:30 | 4:00 |
| 6:00 | 4:00 | 2:30 | 5:00 |
| 7:00 | 5:00 | 3:30 | 6:00 |
| 8:00 | 6:00 | 4:30 | 7:00 |
| 9:00 | 7:00 | 5:30 | 8:00 |
| 10:00 | 8:00 | 6:30 | 9:00 |
| 11:00 | 9:00 | 7:30 | 10:00 |
| 12:00 | 10:00 | 8:30 | 11:00 |
| 13:00 | 11:00 | 9:30 | 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: 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
Western Indonesian Time
Offset: WIB is 7 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Indonesia
Principal Cities: The largest city in the WIB timezone is Jakarta from Indonesia with population about 8.54 million people. Other major cities in the area are Surabaya, Medan, Bandung, Bekasi
Daylight Saving: Western Indonesian Time (WIB) is not adjusted for daylight saving therefore WIB 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, Western Indonesian Time remains the same
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 seven hour and zero minutes time differences 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: 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
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
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 eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- Singapore Time - UTC +8
- South Georgia Time - UTC -2
- 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