Dubai to JST
+5hDubai
GSTSOURCEJST
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
GST and JST on the World Map
The map below highlights the GST (Gulf Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
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.
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.
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.
Time Conversion Guide: Dubai to JST
Dubai runs on Gulf Standard Time (GST) at UTC+04:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts Dubai 5 hours ahead of JST — a difference of +5h at the current offsets.
In practice, when it is 9:00 AM in Dubai it is 2:00 PM in JST. Midnight in Dubai is 5:00 AM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Dubai to JST time conversion table
| Dubai (GST) | JST (JST) | 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 Dubai to JST time
- Scheduling a call from Dubai to JST: a 10:00 AM start in Dubai lands at 3:00 PM in JST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Dubai and JST are inside the 9-to-5 working day between 9:00 AM and 12:00 PM GST time (2:00 PM–5:00 PM JST). That is roughly 3 hours of usable overlap.
- Coordinating a Dubai-based team with JST 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 GST" is unambiguous; "3 PM" across a +5h gap is not.
- Block 9:00 AM–12:00 PM GST as the recurring meeting window if you work primarily from Dubai and need JST colleagues present.
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.
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.
Best time to call between Dubai and JST
Both Dubai and JST sit inside the 9 AM – 5 PM working day between 9:00 AM–12:00 PM GST, which is 2:00 PM–5:00 PM JST. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Dubai and JST overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Dubai is 5 hours ahead of JST (GST UTC+04:00 → JST UTC+09:00). The shared working window is 9:00 AM–12:00 PM GST. 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 Dubai and JST?
Dubai (GST, UTC+04:00) is 5 hours ahead of JST (JST, UTC+09:00). The gap is currently +5h.
How do I convert Dubai time to JST time?
Add +5h to Dubai local time. For example, 9:00 AM in Dubai is 2:00 PM in JST.
What time is it in JST right now?
JST uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +5h offset from Dubai.
What is the best time to call JST from Dubai?
Call between 9:00 AM and 12:00 PM GST — that maps to 2:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Dubai or JST?
Dubai is 5 hours ahead of JST. When it is 12:00 PM in Dubai it is 5:00 PM in JST.
Do Dubai and JST use different time zones?
Dubai (UAE) uses GST at UTC+04:00, while JST uses JST at UTC+09:00. The IANA identifiers are Asia/Dubai and Asia/Tokyo.
Does daylight saving time affect the Dubai–JST difference?
Neither zone observes daylight saving time, so the +5h offset between Dubai and JST is fixed all year.
Which other cities share Dubai's time zone?
GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
Which countries use GST, Dubai's zone?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Is there a day difference between Dubai and JST?
Not normally. The +5h gap only pushes the date over for late-evening times.
What is the time difference between Dubai and JST?
JST is +5h from Dubai.
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 timezone is JST in?
JST operates on its local timezone.
What are the business hours in Dubai?
Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.
Which countries use GST (Gulf Standard Time)?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Does GST observe daylight saving time?
No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.
What are some interesting facts about GST?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Dubai, what time is it in JST?
When it is 12:00 AM (midnight) in Dubai (GST), it is +5h later in JST (JST).
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