Johannesburg to Jakarta
+5hJohannesburg
SASTSOURCEJakarta
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
SAST and WIB on the World Map
The map below highlights the SAST (South Africa Standard Time) and WIB (Western Indonesia Time) timezone regions across the globe.
SAST – South Africa Standard Time
UTC+02:00South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.
- •South Africa does not observe daylight saving time.
- •SAST is the same offset as EET and Israel Standard Time.
- •The Johannesburg Stock Exchange (JSE) is Africa's largest.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
About Johannesburg
WikipediaJohannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.
Johannesburg is built on the world's largest gold deposit.
About Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Time Conversion Guide: Johannesburg to Jakarta
Johannesburg runs on South Africa Standard Time (SAST) at UTC+02:00. Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. That puts Johannesburg 5 hours ahead of Jakarta — a difference of +5h at the current offsets.
In practice, when it is 9:00 AM in Johannesburg it is 2:00 PM in Jakarta. Midnight in Johannesburg is 5:00 AM in Jakarta. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Johannesburg to Jakarta time conversion table
| Johannesburg (SAST) | Jakarta (WIB) | Day |
|---|---|---|
| 12:00 AM | 5:00 AM | same day |
| 6:00 AM | 11:00 AM | same day |
| 7:00 AM | 12:00 PM | same day |
| 8:00 AM | 1:00 PM | same day |
| 9:00 AM | 2:00 PM | same day |
| 12:00 PM | 5:00 PM | same day |
| 3:00 PM | 8:00 PM | same day |
| 5:00 PM | 10:00 PM | same day |
| 6:00 PM | 11:00 PM | same day |
| 9:00 PM | 2:00 AM | next day |
Why people convert Johannesburg to Jakarta time
- Scheduling a call from Johannesburg to Jakarta: a 10:00 AM start in Johannesburg lands at 3:00 PM in Jakarta, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Johannesburg and Jakarta are inside the 9-to-5 working day between 9:00 AM and 12:00 PM SAST time (2:00 PM–5:00 PM WIB). That is roughly 3 hours of usable overlap.
- Coordinating a Johannesburg-based team with Jakarta contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM SAST" is unambiguous; "3 PM" across a +5h gap is not.
- Block 9:00 AM–12:00 PM SAST as the recurring meeting window if you work primarily from Johannesburg and need Jakarta colleagues present.
About SAST (South Africa Standard Time)
South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
Best time to call between Johannesburg and Jakarta
Both Johannesburg and Jakarta sit inside the 9 AM – 5 PM working day between 9:00 AM–12:00 PM SAST, which is 2:00 PM–5:00 PM WIB. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Johannesburg and Jakarta overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Johannesburg is 5 hours ahead of Jakarta (SAST UTC+02:00 → WIB UTC+07:00). The shared working window is 9:00 AM–12:00 PM SAST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Johannesburg and Jakarta?
Johannesburg (SAST, UTC+02:00) is 5 hours ahead of Jakarta (WIB, UTC+07:00). The gap is currently +5h.
How do I convert Johannesburg time to Jakarta time?
Add +5h to Johannesburg local time. For example, 9:00 AM in Johannesburg is 2:00 PM in Jakarta.
What time is it in Jakarta right now?
Jakarta uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +5h offset from Johannesburg.
What is the best time to call Jakarta from Johannesburg?
Call between 9:00 AM and 12:00 PM SAST — that maps to 2:00 PM–5:00 PM WIB and keeps both parties inside the working day.
Which is ahead, Johannesburg or Jakarta?
Johannesburg is 5 hours ahead of Jakarta. When it is 12:00 PM in Johannesburg it is 5:00 PM in Jakarta.
Do Johannesburg and Jakarta use different time zones?
Johannesburg (South Africa) uses SAST at UTC+02:00, while Jakarta (Indonesia) uses WIB at UTC+07:00. The IANA identifiers are Africa/Johannesburg and Asia/Jakarta.
Does daylight saving time affect the Johannesburg–Jakarta difference?
Neither zone observes daylight saving time, so the +5h offset between Johannesburg and Jakarta is fixed all year.
Which other cities share Johannesburg's time zone?
SAST also covers Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
Which countries use SAST, Johannesburg's zone?
SAST is used in South Africa, Lesotho, Eswatini.
Is there a day difference between Johannesburg and Jakarta?
Not normally. The +5h gap only pushes the date over for late-evening times.
What is the time difference between Johannesburg and Jakarta?
Jakarta is +5h from Johannesburg.
What timezone is Johannesburg in?
Johannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What are the business hours in Johannesburg?
Standard business hours in Johannesburg are 8:00 AM - 5:00 PM SAST.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
What is the best time to schedule a call between Johannesburg and Jakarta?
The best overlap for a call is when both cities are in business hours. Johannesburg works 8:00 AM - 5:00 PM SAST and Jakarta works 8:00 AM - 5:00 PM WIB (+5h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Johannesburg and Jakarta?
Johannesburg uses ZAR (R) while Jakarta uses IDR (Rp). Check current exchange rates when planning travel or business between these cities.
How do Johannesburg and Jakarta compare in size?
Johannesburg has a population of approximately 5.8 million (metro: 10.5 million), while Jakarta has approximately 10.5 million (metro: 34.5 million).
What are the major landmarks in Johannesburg and Jakarta?
Johannesburg is known for Apartheid Museum, Constitution Hill, Gold Reef City. Jakarta is famous for Monas, Istiqlal Mosque, Old Town (Kota Tua).
Do Johannesburg and Jakarta have stock exchanges?
Yes. Johannesburg has the JSE (Johannesburg Stock Exchange) and Jakarta has the IDX (Indonesia Stock Exchange). The +5h time difference affects trading hour overlaps between these exchanges.
Which countries use SAST (South Africa Standard Time)?
SAST is used in South Africa, Lesotho, Eswatini.
Does SAST observe daylight saving time?
No, SAST does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about SAST?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
Which cities are in the WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
When is it midnight in Johannesburg, what time is it in Jakarta?
When it is 12:00 AM (midnight) in Johannesburg (SAST), it is +5h later in Jakarta (WIB).
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