Tokyo to Johannesburg
-7hTokyo
JSTSOURCEJohannesburg
SASTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and SAST on the World Map
The map below highlights the JST (Japan Standard Time) and SAST (South Africa Standard Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
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.
About Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
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.
Tokyo vs Johannesburg: Offsets, DST and Best Call Times
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Johannesburg runs on South Africa Standard Time (SAST) at UTC+02:00. That puts Tokyo 7 hours behind Johannesburg — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 2:00 AM in Johannesburg. Midnight in Tokyo is 5:00 PM in Johannesburg. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tokyo to Johannesburg time conversion table
| Tokyo (JST) | Johannesburg (SAST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert Tokyo to Johannesburg time
- Scheduling a call from Tokyo to Johannesburg: a 10:00 AM start in Tokyo lands at 3:00 AM in Johannesburg, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tokyo and Johannesburg are inside the 9-to-5 working day between 4:00 PM and 5:00 PM JST time (9:00 AM–10:00 AM SAST). That is roughly 1 hours of usable overlap.
- Coordinating a Tokyo-based team with Johannesburg 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 JST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from Tokyo and need Johannesburg colleagues present.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
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.
Best time to call between Tokyo and Johannesburg
Both Tokyo and Johannesburg sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM JST, which is 9:00 AM–10:00 AM SAST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tokyo and Johannesburg overlap for only 60 minutes (4:00 PM–5:00 PM JST), so meetings have to be booked precisely.
Tokyo is 7 hours behind Johannesburg (JST UTC+09:00 → SAST UTC+02:00). The shared working window is 4:00 PM–5:00 PM JST. 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 Tokyo and Johannesburg?
Tokyo (JST, UTC+09:00) is 7 hours behind Johannesburg (SAST, UTC+02:00). The gap is currently -7h.
How do I convert Tokyo time to Johannesburg time?
Add -7h to Tokyo local time. For example, 9:00 AM in Tokyo is 2:00 AM in Johannesburg.
What time is it in Johannesburg right now?
Johannesburg uses SAST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Tokyo.
What is the best time to call Johannesburg from Tokyo?
Call between 4:00 PM and 5:00 PM JST — that maps to 9:00 AM–10:00 AM SAST and keeps both parties inside the working day.
Which is behind, Tokyo or Johannesburg?
Tokyo is 7 hours behind Johannesburg. When it is 12:00 PM in Tokyo it is 5:00 AM in Johannesburg.
Do Tokyo and Johannesburg use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Johannesburg (South Africa) uses SAST at UTC+02:00. The IANA identifiers are Asia/Tokyo and Africa/Johannesburg.
Does daylight saving time affect the Tokyo–Johannesburg difference?
Neither zone observes daylight saving time, so the -7h offset between Tokyo and Johannesburg is fixed all year.
Which other cities share Tokyo's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Tokyo's zone?
JST is used in Japan.
Is there a day difference between Tokyo and Johannesburg?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Johannesburg?
Johannesburg is -7h from Tokyo.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
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 are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
What are the business hours in Johannesburg?
Standard business hours in Johannesburg are 8:00 AM - 5:00 PM SAST.
What is the best time to schedule a call between Tokyo and Johannesburg?
The best overlap for a call is when both cities are in business hours. Tokyo works 9:00 AM - 6:00 PM JST and Johannesburg works 8:00 AM - 5:00 PM SAST (-7h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tokyo and Johannesburg?
Tokyo uses JPY (¥) while Johannesburg uses ZAR (R). Check current exchange rates when planning travel or business between these cities.
How do Tokyo and Johannesburg compare in size?
Tokyo has a population of approximately 14 million (metro: 37.4 million), while Johannesburg has approximately 5.8 million (metro: 10.5 million).
What are the major landmarks in Tokyo and Johannesburg?
Tokyo is known for Tokyo Tower, Shibuya Crossing, Senso-ji Temple. Johannesburg is famous for Apartheid Museum, Constitution Hill, Gold Reef City.
Do Tokyo and Johannesburg have stock exchanges?
Yes. Tokyo has the TSE (Tokyo Stock Exchange) and Johannesburg has the JSE (Johannesburg Stock Exchange). The -7h time difference affects trading hour overlaps between these exchanges.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the SAST timezone?
Major cities in the SAST timezone include Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
What is the UTC offset for SAST?
South Africa Standard Time (SAST) is at UTC+02:00.
What should I know about the SAST timezone?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
When is it midnight in Tokyo, what time is it in Johannesburg?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -7h later in Johannesburg (SAST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Tokyo time conversions
- tokyo to osaka
- tokyo to jst
- tokyo to japan
- tokyo to dubai
- tokyo to mumbai
- tokyo to delhi
- tokyo to bangalore
- tokyo to kathmandu
- tokyo to bangkok
- tokyo to singapore
- tokyo to hong kong
- tokyo to shanghai
- tokyo to beijing
- tokyo to seoul
- tokyo to new york
- tokyo to london
- tokyo to sydney
- tokyo to los angeles
- tokyo to paris
- tokyo to berlin
- tokyo to toronto
- new york to tokyo
- london to tokyo
- dubai to tokyo
- singapore to tokyo
- sydney to tokyo
- los angeles to tokyo
- paris to tokyo
- delhi to tokyo
- mumbai to tokyo
- berlin to tokyo
- hong kong to tokyo
- toronto to tokyo
- kathmandu to tokyo
See every conversion from Tokyo →·See every conversion from Johannesburg →