EAT to AST
-7hEAT
EATSOURCEAST
ASTGreen rows indicate typical business hours (9 AM - 5 PM)
EAT and AST on the World Map
The map below highlights the EAT (East Africa Time) and AST (Atlantic 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).
AST – Atlantic Standard Time
UTC-04:00Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.
- •Puerto Rico uses AST year-round and does not observe DST.
- •AST is 1 hour ahead of EST.
- •Halifax, the capital of Nova Scotia, is the largest city in AST Canada.
EAT vs AST: Offsets, DST and Best Call Times
EAT runs on East Africa Time (EAT) at UTC+03:00. AST runs on Atlantic Standard Time (AST) at UTC-04:00. That puts EAT 7 hours behind AST — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in EAT it is 2:00 AM in AST. Midnight in EAT is 5:00 PM in AST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EAT to AST time conversion table
| EAT (EAT) | AST (AST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert EAT to AST time
- Scheduling a call from EAT to AST: a 10:00 AM start in EAT lands at 3:00 AM in AST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EAT and AST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM EAT time (9:00 AM–10:00 AM AST). That is roughly 1 hours of usable overlap.
- Coordinating a EAT-based team with AST 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 EAT" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM EAT as the recurring meeting window if you work primarily from EAT and need AST 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 AST (Atlantic Standard Time)
Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.
Best time to call between EAT and AST
Both EAT and AST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM EAT, which is 9:00 AM–10:00 AM AST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EAT and AST overlap for only 60 minutes (4:00 PM–5:00 PM EAT), so meetings have to be booked precisely.
EAT is 7 hours behind AST (EAT UTC+03:00 → AST UTC-04:00). The shared working window is 4:00 PM–5:00 PM EAT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EAT
Does not observe DST
AST
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Nov 1, 2026
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 AST?
EAT (EAT, UTC+03:00) is 7 hours behind AST (AST, UTC-04:00). The gap is currently -7h.
How do I convert EAT time to AST time?
Add -7h to EAT local time. For example, 9:00 AM in EAT is 2:00 AM in AST.
What time is it in AST right now?
AST uses AST at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from EAT.
What is the best time to call AST from EAT?
Call between 4:00 PM and 5:00 PM EAT — that maps to 9:00 AM–10:00 AM AST and keeps both parties inside the working day.
Which is behind, EAT or AST?
EAT is 7 hours behind AST. When it is 12:00 PM in EAT it is 5:00 AM in AST.
Does daylight saving time affect the EAT–AST difference?
Neither zone observes daylight saving time, so the -7h offset between EAT and AST 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 AST?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between EAT and AST?
AST is -7h from EAT.
What timezone is EAT in?
EAT operates on its local timezone.
What timezone is AST in?
AST 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 AST timezone?
Major cities in the AST timezone include Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.
What is the UTC offset for AST?
Atlantic Standard Time (AST) is at UTC-04:00. During daylight saving time, it shifts to ADT.
What should I know about the AST timezone?
Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.
When is it midnight in EAT, what time is it in AST?
When it is 12:00 AM (midnight) in EAT (EAT), it is -7h later in AST (AST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More EAT time conversions
- eat to nairobi
- eat to kenya
- eat to new york
- eat to london
- eat to dubai
- eat to tokyo
- eat to singapore
- eat to sydney
- eat to los angeles
- eat to paris
- eat to delhi
- eat to mumbai
- eat to berlin
- eat to hong kong
- eat to toronto
- eat to kathmandu
- new york to eat
- london to eat
- dubai to eat
- tokyo to eat
- singapore to eat
- sydney to eat
- los angeles to eat
- paris to eat
- delhi to eat
- mumbai to eat
- berlin to eat
- hong kong to eat
- toronto to eat
- kathmandu to eat
See every conversion from EAT →·See every conversion from AST →