JST to Dubai
-5hJST
JSTSOURCEDubai
GSTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and GST on the World Map
The map below highlights the JST (Japan Standard Time) and GST (Gulf 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.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
About Dubai
WikipediaDubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.
Dubai has no income tax, making it a major hub for international business.
JST vs Dubai: Offsets, DST and Best Call Times
JST runs on Japan Standard Time (JST) at UTC+09:00. Dubai runs on Gulf Standard Time (GST) at UTC+04:00. That puts JST 5 hours behind Dubai — a difference of -5h at the current offsets.
In practice, when it is 9:00 AM in JST it is 4:00 AM in Dubai. Midnight in JST is 7:00 PM in Dubai. Neither zone observes daylight saving time, so the offset between them stays constant all year.
JST to Dubai time conversion table
| JST (JST) | Dubai (GST) | Day |
|---|---|---|
| 12:00 AM | 7:00 PM | previous day |
| 6:00 AM | 1:00 AM | same day |
| 7:00 AM | 2:00 AM | same day |
| 8:00 AM | 3:00 AM | same day |
| 9:00 AM | 4:00 AM | same day |
| 12:00 PM | 7:00 AM | same day |
| 3:00 PM | 10:00 AM | same day |
| 5:00 PM | 12:00 PM | same day |
| 6:00 PM | 1:00 PM | same day |
| 9:00 PM | 4:00 PM | same day |
Why people convert JST to Dubai time
- Scheduling a call from JST to Dubai: a 10:00 AM start in JST lands at 5:00 AM in Dubai, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both JST and Dubai are inside the 9-to-5 working day between 2:00 PM and 5:00 PM JST time (9:00 AM–12:00 PM GST). That is roughly 3 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in JST is 3:00 PM in Dubai makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -5h gap is not.
- Block 2:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from JST and need Dubai 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 GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
Best time to call between JST and Dubai
Both JST and Dubai sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM JST, which is 9:00 AM–12:00 PM GST. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
JST and Dubai overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
JST is 5 hours behind Dubai (JST UTC+09:00 → GST UTC+04:00). The shared working window is 2:00 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 JST and Dubai?
JST (JST, UTC+09:00) is 5 hours behind Dubai (GST, UTC+04:00). The gap is currently -5h.
How do I convert JST time to Dubai time?
Add -5h to JST local time. For example, 9:00 AM in JST is 4:00 AM in Dubai.
What time is it in Dubai right now?
Dubai uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h offset from JST.
What is the best time to call Dubai from JST?
Call between 2:00 PM and 5:00 PM JST — that maps to 9:00 AM–12:00 PM GST and keeps both parties inside the working day.
Which is behind, JST or Dubai?
JST is 5 hours behind Dubai. When it is 12:00 PM in JST it is 7:00 AM in Dubai.
Do JST and Dubai use different time zones?
JST uses JST at UTC+09:00, while Dubai (UAE) uses GST at UTC+04:00. The IANA identifiers are Asia/Tokyo and Asia/Dubai.
Does daylight saving time affect the JST–Dubai difference?
Neither zone observes daylight saving time, so the -5h offset between JST and Dubai is fixed all year.
Which other cities share JST's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, JST's zone?
JST is used in Japan.
Is there a day difference between JST and Dubai?
Not normally. The -5h gap only pushes the date over the previous day.
What is the time difference between JST and Dubai?
Dubai is -5h from JST.
What timezone is JST in?
JST operates on its local timezone.
What timezone is Dubai in?
Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.
What are the business hours in Dubai?
Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.
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 GST timezone?
Major cities in the GST timezone include Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
What is the UTC offset for GST?
Gulf Standard Time (GST) is at UTC+04:00.
What should I know about the GST timezone?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
When is it midnight in JST, what time is it in Dubai?
When it is 12:00 AM (midnight) in JST (JST), it is -5h later in Dubai (GST).
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