Tokyo to Saudi Arabia
-6hTokyo
JSTSOURCESaudi Arabia
ASTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and AST on the World Map
The map below highlights the JST (Japan Standard Time) and AST (Arabia 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.
AST – Arabia Standard Time
UTC+03:00Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.
- •None of the Gulf states on Arabia Standard Time observe daylight saving.
- •AST is the same offset as Moscow Standard Time and East Africa Time.
- •Riyadh is one hour ahead of Central European Time in winter.
- •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
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.
Tokyo to Saudi Arabia Time Difference – Complete Guide
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Saudi Arabia runs on Arabian Standard Time (AST) at UTC+03:00. That puts Tokyo 6 hours behind Saudi Arabia — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 3:00 AM in Saudi Arabia. Midnight in Tokyo is 6:00 PM in Saudi Arabia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tokyo to Saudi Arabia time conversion table
| Tokyo (JST) | Saudi Arabia (AST) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert Tokyo to Saudi Arabia time
- Scheduling a call from Tokyo to Saudi Arabia: a 10:00 AM start in Tokyo lands at 4:00 AM in Saudi Arabia, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tokyo and Saudi Arabia are inside the 9-to-5 working day between 3:00 PM and 5:00 PM JST time (9:00 AM–11:00 AM AST). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: Tokyo viewers need 3:00 AM in Saudi Arabia to catch a 9:00 AM start there, and 6:00 AM if the event is anchored to Tokyo.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from Tokyo and need Saudi Arabia 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 AST (Arabia Standard Time)
Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.
Best time to call between Tokyo and Saudi Arabia
Both Tokyo and Saudi Arabia sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM JST, which is 9:00 AM–11:00 AM AST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tokyo and Saudi Arabia overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Tokyo is 6 hours behind Saudi Arabia (JST UTC+09:00 → AST UTC+03:00). The shared working window is 3:00 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 Saudi Arabia?
Tokyo (JST, UTC+09:00) is 6 hours behind Saudi Arabia (AST, UTC+03:00). The gap is currently -6h.
How do I convert Tokyo time to Saudi Arabia time?
Add -6h to Tokyo local time. For example, 9:00 AM in Tokyo is 3:00 AM in Saudi Arabia.
What time is it in Saudi Arabia right now?
Saudi Arabia uses AST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h offset from Tokyo.
What is the best time to call Saudi Arabia from Tokyo?
Call between 3:00 PM and 5:00 PM JST — that maps to 9:00 AM–11:00 AM AST and keeps both parties inside the working day.
Which is behind, Tokyo or Saudi Arabia?
Tokyo is 6 hours behind Saudi Arabia. When it is 12:00 PM in Tokyo it is 6:00 AM in Saudi Arabia.
Do Tokyo and Saudi Arabia use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Saudi Arabia (Saudi Arabia) uses AST at UTC+03:00. The IANA identifiers are Asia/Tokyo and Asia/Riyadh.
Does daylight saving time affect the Tokyo–Saudi Arabia difference?
Neither zone observes daylight saving time, so the -6h offset between Tokyo and Saudi Arabia 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 Saudi Arabia?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Saudi Arabia?
Saudi Arabia is -6h 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 Saudi Arabia in?
Saudi Arabia operates on its local timezone.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
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 AST timezone?
Major cities in the AST timezone include Riyadh, Jeddah, Doha, Kuwait City, Baghdad.
What is the UTC offset for AST?
Arabia Standard Time (AST) is at UTC+03:00.
What should I know about the AST timezone?
None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.
When is it midnight in Tokyo, what time is it in Saudi Arabia?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -6h later in Saudi Arabia (AST).
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