Jakarta to EAT
-4hJakarta
WIBSOURCEEAT
EATGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and EAT on the World Map
The map below highlights the WIB (Western Indonesia Time) and EAT (East Africa Time) timezone regions across the globe.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
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).
About Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Time Conversion Guide: Jakarta to EAT
Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. EAT runs on East Africa Time (EAT) at UTC+03:00. That puts Jakarta 4 hours behind EAT — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in Jakarta it is 5:00 AM in EAT. Midnight in Jakarta is 8:00 PM in EAT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Jakarta to EAT time conversion table
| Jakarta (WIB) | EAT (EAT) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert Jakarta to EAT time
- Scheduling a call from Jakarta to EAT: a 10:00 AM start in Jakarta lands at 6:00 AM in EAT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Jakarta and EAT are inside the 9-to-5 working day between 1:00 PM and 5:00 PM WIB time (9:00 AM–1:00 PM EAT). That is roughly 4 hours of usable overlap.
- Watching a live event or market open: Jakarta viewers need 5:00 AM in EAT to catch a 9:00 AM start there, and 4:00 AM if the event is anchored to Jakarta.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM WIB as the recurring meeting window if you work primarily from Jakarta and need EAT colleagues present.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
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).
Best time to call between Jakarta and EAT
Both Jakarta and EAT sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM WIB, which is 9:00 AM–1:00 PM EAT. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Jakarta and EAT overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
Jakarta is 4 hours behind EAT (WIB UTC+07:00 → EAT UTC+03:00). The shared working window is 1:00 PM–5:00 PM WIB. 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 Jakarta and EAT?
Jakarta (WIB, UTC+07:00) is 4 hours behind EAT (EAT, UTC+03:00). The gap is currently -4h.
How do I convert Jakarta time to EAT time?
Add -4h to Jakarta local time. For example, 9:00 AM in Jakarta is 5:00 AM in EAT.
What time is it in EAT right now?
EAT uses EAT at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from Jakarta.
What is the best time to call EAT from Jakarta?
Call between 1:00 PM and 5:00 PM WIB — that maps to 9:00 AM–1:00 PM EAT and keeps both parties inside the working day.
Which is behind, Jakarta or EAT?
Jakarta is 4 hours behind EAT. When it is 12:00 PM in Jakarta it is 8:00 AM in EAT.
Do Jakarta and EAT use different time zones?
Jakarta (Indonesia) uses WIB at UTC+07:00, while EAT uses EAT at UTC+03:00. The IANA identifiers are Asia/Jakarta and Africa/Nairobi.
Does daylight saving time affect the Jakarta–EAT difference?
Neither zone observes daylight saving time, so the -4h offset between Jakarta and EAT is fixed all year.
Which other cities share Jakarta's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Jakarta's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Jakarta and EAT?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between Jakarta and EAT?
EAT is -4h from Jakarta.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What timezone is EAT in?
EAT operates on its local timezone.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
Which cities are in the EAT timezone?
Major cities in the EAT timezone include Nairobi, Addis Ababa, Dar es Salaam, Kampala, Mogadishu, Antananarivo.
What is the UTC offset for EAT?
East Africa Time (EAT) is at UTC+03:00.
What should I know about the EAT timezone?
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.
When is it midnight in Jakarta, what time is it in EAT?
When it is 12:00 AM (midnight) in Jakarta (WIB), it is -4h later in EAT (EAT).
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