EAT to WIB
+4hEAT
EATSOURCEWIB
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
EAT and WIB on the World Map
The map below highlights the EAT (East Africa Time) and WIB (Western Indonesia 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).
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.
Understanding the +4h Gap: EAT vs WIB
EAT runs on East Africa Time (EAT) at UTC+03:00. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts EAT 4 hours ahead of WIB — a difference of +4h at the current offsets.
In practice, when it is 9:00 AM in EAT it is 1:00 PM in WIB. Midnight in EAT is 4:00 AM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EAT to WIB time conversion table
| EAT (EAT) | WIB (WIB) | Day |
|---|---|---|
| 12:00 AM | 4:00 AM | same day |
| 6:00 AM | 10:00 AM | same day |
| 7:00 AM | 11:00 AM | same day |
| 8:00 AM | 12:00 PM | same day |
| 9:00 AM | 1:00 PM | same day |
| 12:00 PM | 4:00 PM | same day |
| 3:00 PM | 7:00 PM | same day |
| 5:00 PM | 9:00 PM | same day |
| 6:00 PM | 10:00 PM | same day |
| 9:00 PM | 1:00 AM | next day |
Why people convert EAT to WIB time
- Scheduling a call from EAT to WIB: a 10:00 AM start in EAT lands at 2:00 PM in WIB, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EAT and WIB are inside the 9-to-5 working day between 9:00 AM and 1:00 PM EAT time (1:00 PM–5:00 PM WIB). That is roughly 4 hours of usable overlap.
- Booking travel or deliveries: tracking WIB local time against EAT keeps pickup windows and arrival estimates honest across the +4h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EAT" is unambiguous; "3 PM" across a +4h gap is not.
- Block 9:00 AM–1:00 PM EAT as the recurring meeting window if you work primarily from EAT and need WIB 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 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.
Best time to call between EAT and WIB
Both EAT and WIB sit inside the 9 AM – 5 PM working day between 9:00 AM–1:00 PM EAT, which is 1:00 PM–5:00 PM WIB. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EAT and WIB overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
EAT is 4 hours ahead of WIB (EAT UTC+03:00 → WIB UTC+07:00). The shared working window is 9:00 AM–1:00 PM 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 WIB?
EAT (EAT, UTC+03:00) is 4 hours ahead of WIB (WIB, UTC+07:00). The gap is currently +4h.
How do I convert EAT time to WIB time?
Add +4h to EAT local time. For example, 9:00 AM in EAT is 1:00 PM in WIB.
What time is it in WIB right now?
WIB uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +4h offset from EAT.
What is the best time to call WIB from EAT?
Call between 9:00 AM and 1:00 PM EAT — that maps to 1:00 PM–5:00 PM WIB and keeps both parties inside the working day.
Which is ahead, EAT or WIB?
EAT is 4 hours ahead of WIB. When it is 12:00 PM in EAT it is 4:00 PM in WIB.
Does daylight saving time affect the EAT–WIB difference?
Neither zone observes daylight saving time, so the +4h offset between EAT and WIB 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 WIB?
Not normally. The +4h gap only pushes the date over for late-evening times.
What is the time difference between EAT and WIB?
WIB is +4h from EAT.
What timezone is EAT in?
EAT operates on its local timezone.
What timezone is WIB in?
WIB 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 WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
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.
When is it midnight in EAT, what time is it in WIB?
When it is 12:00 AM (midnight) in EAT (EAT), it is +4h later in WIB (WIB).
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See every conversion from EAT →·See every conversion from WIB →