EAT to JST
+6hEAT
EATSOURCEJST
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
EAT and JST on the World Map
The map below highlights the EAT (East Africa Time) and JST (Japan Standard Time) timezone regions across the globe.
EAT – East Africa Time
UTC+03:00East Africa Time (EAT) is the time zone for East Africa, 3 hours ahead of UTC.
- •Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'.
- •Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.
- •EAT is the same offset as MSK (Moscow Time).
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.
Comparing Time Zones: EAT and JST
EAT runs on East Africa Time (EAT) at UTC+03:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts EAT 6 hours ahead of JST — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in EAT it is 3:00 PM in JST. Midnight in EAT is 6:00 AM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EAT to JST time conversion table
| EAT (EAT) | JST (JST) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert EAT to JST time
- Scheduling a call from EAT to JST: a 10:00 AM start in EAT lands at 4:00 PM in JST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EAT and JST are inside the 9-to-5 working day between 9:00 AM and 11:00 AM EAT time (3:00 PM–5:00 PM JST). That is roughly 2 hours of usable overlap.
- Booking travel or deliveries: tracking JST local time against EAT keeps pickup windows and arrival estimates honest across the +6h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EAT" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM EAT as the recurring meeting window if you work primarily from EAT and need JST colleagues present.
About EAT (East Africa Time)
East Africa Time (EAT) is used in the countries of East Africa including Kenya, Ethiopia, Tanzania, Uganda, and others. EAT does not observe daylight saving time and shares the same offset as Moscow Standard Time (MSK).
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 EAT and JST
Both EAT and JST sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM EAT, which is 3:00 PM–5:00 PM JST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EAT and JST overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
EAT is 6 hours ahead of JST (EAT UTC+03:00 → JST UTC+09:00). The shared working window is 9:00 AM–11:00 AM EAT. 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 EAT and JST?
EAT (EAT, UTC+03:00) is 6 hours ahead of JST (JST, UTC+09:00). The gap is currently +6h.
How do I convert EAT time to JST time?
Add +6h to EAT local time. For example, 9:00 AM in EAT is 3:00 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 +6h offset from EAT.
What is the best time to call JST from EAT?
Call between 9:00 AM and 11:00 AM EAT — that maps to 3:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, EAT or JST?
EAT is 6 hours ahead of JST. When it is 12:00 PM in EAT it is 6:00 PM in JST.
Does daylight saving time affect the EAT–JST difference?
Neither zone observes daylight saving time, so the +6h offset between EAT and JST is fixed all year.
Which other cities share EAT's time zone?
EAT also covers Nairobi, Addis Ababa, Dar es Salaam, Kampala, Mogadishu, Antananarivo.
Which countries use EAT, EAT's zone?
EAT is used in Kenya, Ethiopia, Tanzania, Uganda, Somalia, Madagascar, Eritrea, Djibouti.
Is there a day difference between EAT and JST?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between EAT and JST?
JST is +6h from EAT.
What timezone is EAT in?
EAT operates on its local timezone.
What timezone is JST in?
JST operates on its local timezone.
Which countries use EAT (East Africa Time)?
EAT is used in Kenya, Ethiopia, Tanzania, Uganda, Somalia, Madagascar, and 2 more countries.
Does EAT observe daylight saving time?
No, EAT does not observe daylight saving time and remains at UTC+03:00 year-round.
What are some interesting facts about EAT?
Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'. Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.
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 EAT, what time is it in JST?
When it is 12:00 AM (midnight) in EAT (EAT), it is +6h later in JST (JST).
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See every conversion from EAT →·See every conversion from JST →