JST to Jakarta to Masbate to Chicago Time Converter
Quick answers
JST to Jakarta
JST is 2 hours ahead of Jakarta year-round.
Working hours of 9:00 am to 5:00 pm in JST correspond to 7:00 am to 3:00 pm in Jakarta.
JST to Masbate
JST is 1 hour ahead of Masbate year-round.
Working hours of 9:00 am to 5:00 pm in JST correspond to 8:00 am to 4:00 pm in Masbate.
JST to Chicago
For most of the year, JST is 14 hours ahead of Chicago. During seasonal clock changes, JST is 15 hours ahead of Chicago.
For most of the year, working hours of 9:00 am to 5:00 pm in JST correspond to 7:00 pm (previous day) to 3:00 am in Chicago. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in JST correspond to 6:00 pm (previous day) to 2:00 am in Chicago.
Compare JST time with Jakarta, Masbate, and Chicago 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 WIB (Western Indonesian Time) and 1 hour ahead of PHT (Philippine Time) and 15 hours ahead of CST (Central Standard Time)
9:00 pm21:00 in JST is 7:00 pm19:00 in Jakarta, Indonesia and is 8:00 pm20:00 in Masbate, Philippines and is 6:00 am06:00 in Chicago, IL, USA
JST to Jakarta call time
Best time for a conference call or a meeting is between 11am-5pm in JST which corresponds to 9am-3pm in Jakarta
JST to Masbate call time
Best time for a conference call or a meeting is between 10am-5pm in JST which corresponds to 9am-4pm in Masbate
JST to Chicago call time
Best time for a conference call or a meeting is between 8am-9am in JST which corresponds to 5pm-6pm in Chicago (previous day)
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 pm19:00 WIB (Western Indonesian Time) (Jakarta, Indonesia). Offset UTC +7:00 hours
8:00 pm20:00 PHT (Philippine Time) (Masbate, Philippines). Offset UTC +8:00 hours
6:00 am06:00 CST (Central Standard Time) (Chicago, IL, USA). Offset UTC -6:00 hours
9:00 pm21:00 JST / 7:00 pm19:00 Jakarta, Indonesia / 8:00 pm20:00 Masbate, Philippines / 6:00 am06:00 Chicago, IL, USA
| JST | Jakarta, Indonesia | Masbate, Philippines | Chicago, IL, USA |
|---|---|---|---|
| 12am (midnight) | 10pm | 11pm | 9am |
| 1am | 11pm | 12am (midnight) | 10am |
| 2am | 12am (midnight) | 1am | 11am |
| 3am | 1am | 2am | 12pm (noon) |
| 4am | 2am | 3am | 1pm |
| 5am | 3am | 4am | 2pm |
| 6am | 4am | 5am | 3pm |
| 7am | 5am | 6am | 4pm |
| 8am | 6am | 7am | 5pm |
| 9am | 7am | 8am | 6pm |
| 10am | 8am | 9am | 7pm |
| 11am | 9am | 10am | 8pm |
| 12pm (noon) | 10am | 11am | 9pm |
| 1pm | 11am | 12pm (noon) | 10pm |
| 2pm | 12pm (noon) | 1pm | 11pm |
| 3pm | 1pm | 2pm | 12am (midnight) |
| 4pm | 2pm | 3pm | 1am |
| 5pm | 3pm | 4pm | 2am |
| 6pm | 4pm | 5pm | 3am |
| 7pm | 5pm | 6pm | 4am |
| 8pm | 6pm | 7pm | 5am |
| 9pm | 7pm | 8pm | 6am |
| 10pm | 8pm | 9pm | 7am |
| 11pm | 9pm | 10pm | 8am |
| 00:00 | 22:00 | 23:00 | 09:00 |
| 01:00 | 23:00 | 00:00 | 10:00 |
| 02:00 | 00:00 | 01:00 | 11:00 |
| 03:00 | 01:00 | 02:00 | 12:00 |
| 04:00 | 02:00 | 03:00 | 13:00 |
| 05:00 | 03:00 | 04:00 | 14:00 |
| 06:00 | 04:00 | 05:00 | 15:00 |
| 07:00 | 05:00 | 06:00 | 16:00 |
| 08:00 | 06:00 | 07:00 | 17:00 |
| 09:00 | 07:00 | 08:00 | 18:00 |
| 10:00 | 08:00 | 09:00 | 19:00 |
| 11:00 | 09:00 | 10:00 | 20:00 |
| 12:00 | 10:00 | 11:00 | 21:00 |
| 13:00 | 11:00 | 12:00 | 22:00 |
| 14:00 | 12:00 | 13:00 | 23:00 |
| 15:00 | 13:00 | 14:00 | 00:00 |
| 16:00 | 14:00 | 15:00 | 01:00 |
| 17:00 | 15:00 | 16:00 | 02:00 |
| 18:00 | 16:00 | 17:00 | 03:00 |
| 19:00 | 17:00 | 18:00 | 04:00 |
| 20:00 | 18:00 | 19:00 | 05:00 |
| 21:00 | 19:00 | 20:00 | 06:00 |
| 22:00 | 20:00 | 21:00 | 07:00 |
| 23:00 | 21:00 | 22:00 | 08:00 |
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
Jakarta Information
Time Zone
Jakarta Facts
Masbate Information
Time Zone
Masbate Facts
Chicago Information
Time Zone
CST - Central Standard Time
-6:00 hours during Central Standard Time.
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.