JST to SAST Converter
Quick answers
JST is 7 hours ahead of SAST. JST uses GMT +9, and SAST uses GMT +2 for this comparison.
For example, 9:00 pm JST is 2:00 pm SAST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 4pm-5pm JST, which is 9am-10am SAST.
Compare JST time with SAST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Japan Standard Time is 7 hours ahead of South Africa Standard Time
9:00 pm21:00 in JST is 2:00 pm14:00 in SAST
JST to SAST call time
Best time for a conference call or a meeting is between 4pm-5pm in JST which corresponds to 9am-10am in SAST
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
2:00 pm14:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours
9:00 pm21:00 JST / 2:00 pm14:00 SAST
| JST | SAST |
|---|---|
| 12am (midnight) | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am (midnight) |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm (noon) | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm (noon) |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |
| 00:00 | 17:00 |
| 01:00 | 18:00 |
| 02:00 | 19:00 |
| 03:00 | 20:00 |
| 04:00 | 21:00 |
| 05:00 | 22:00 |
| 06:00 | 23:00 |
| 07:00 | 00:00 |
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 11:00 | 04:00 |
| 12:00 | 05:00 |
| 13:00 | 06:00 |
| 14:00 | 07:00 |
| 15:00 | 08:00 |
| 16:00 | 09:00 |
| 17:00 | 10:00 |
| 18:00 | 11:00 |
| 19:00 | 12:00 |
| 20:00 | 13:00 |
| 21:00 | 14:00 |
| 22:00 | 15:00 |
| 23:00 | 16:00 |
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
South Africa Standard Time
Offset: SAST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries using this time zone: Lesotho, Eswatini (Swaziland), South Africa
Principal Cities: The largest city in the SAST time zone is Cape Town in South Africa, with about 3.433 million people. Other major cities in this time zone include Durban, Johannesburg, Soweto, Pretoria.
Daylight Saving: Clocks in South Africa Standard Time (SAST) do not change for daylight saving time, so SAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

SAST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
- Bravo - Military abbreviation for SAST
- B - short form of 'Bravo'
- Africa/Johannesburg
- Africa/Maseru
- Africa/Mbabane
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time
