CAT to EDT
-6hCAT
CATSOURCEEDT
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
CAT and EDT on the World Map
The map below highlights the CAT (Central Africa Time) and EDT (Eastern Daylight Time) timezone regions across the globe.
CAT – Central Africa Time
UTC+02:00Central Africa Time (CAT, UTC+02:00) covers Zimbabwe, Zambia, Mozambique, Malawi and neighbouring countries.
- •Central Africa Time is fixed at UTC+02:00 with no daylight saving.
- •CAT matches South Africa Standard Time (SAST) all year.
- •It is the same offset as Central European Time in winter.
- •Harare is level with Johannesburg and one hour ahead of Lagos.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
CAT to EDT Time Difference – Complete Guide
CAT runs on Central Africa Time (CAT) at UTC+02:00. EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. That puts CAT 6 hours behind EDT — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in CAT it is 3:00 AM in EDT. Midnight in CAT is 6:00 PM in EDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CAT to EDT time conversion table
| CAT (CAT) | EDT (EDT) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert CAT to EDT time
- Scheduling a call from CAT to EDT: a 10:00 AM start in CAT lands at 4:00 AM in EDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CAT and EDT are inside the 9-to-5 working day between 3:00 PM and 5:00 PM CAT time (9:00 AM–11:00 AM EDT). That is roughly 2 hours of usable overlap.
- Coordinating a CAT-based team with EDT 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 CAT" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM CAT as the recurring meeting window if you work primarily from CAT and need EDT colleagues present.
About CAT (Central Africa Time)
Central Africa Time (CAT) is fixed at UTC+02:00 all year across a broad belt of southern and central Africa, including Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi and the eastern Democratic Republic of the Congo. None of these countries observes daylight saving time, so CAT never shifts. It is the same offset as South Africa Standard Time (SAST) and the winter version of Central European Time, which makes CAT a convenient bridge between African, European and Middle Eastern schedules — Harare is level with Johannesburg all year and one hour ahead of Lagos.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
Best time to call between CAT and EDT
Both CAT and EDT sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM CAT, which is 9:00 AM–11:00 AM EDT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CAT and EDT overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
CAT is 6 hours behind EDT (CAT UTC+02:00 → EDT UTC-04:00). The shared working window is 3:00 PM–5:00 PM CAT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CAT
Does not observe DST
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
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 CAT and EDT?
CAT (CAT, UTC+02:00) is 6 hours behind EDT (EDT, UTC-04:00). The gap is currently -6h.
How do I convert CAT time to EDT time?
Add -6h to CAT local time. For example, 9:00 AM in CAT is 3:00 AM in EDT.
What time is it in EDT right now?
EDT uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h offset from CAT.
What is the best time to call EDT from CAT?
Call between 3:00 PM and 5:00 PM CAT — that maps to 9:00 AM–11:00 AM EDT and keeps both parties inside the working day.
Which is behind, CAT or EDT?
CAT is 6 hours behind EDT. When it is 12:00 PM in CAT it is 6:00 AM in EDT.
Does daylight saving time affect the CAT–EDT difference?
Neither zone observes daylight saving time, so the -6h offset between CAT and EDT is fixed all year.
Which other cities share CAT's time zone?
CAT also covers Harare, Lusaka, Maputo, Lilongwe, Kigali.
Which countries use CAT, CAT's zone?
CAT is used in Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi, DR Congo (east).
Is there a day difference between CAT and EDT?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between CAT and EDT?
EDT is -6h from CAT.
What timezone is CAT in?
CAT operates on its local timezone.
What timezone is EDT in?
EDT operates on its local timezone.
Which countries use CAT (Central Africa Time)?
CAT is used in Zimbabwe, Zambia, Mozambique, Malawi, Rwanda, Burundi, and 1 more countries.
Does CAT observe daylight saving time?
No, CAT does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about CAT?
Central Africa Time is fixed at UTC+02:00 with no daylight saving. CAT matches South Africa Standard Time (SAST) all year.
Which cities are in the EDT timezone?
Major cities in the EDT timezone include New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EDT?
Eastern Daylight Time (EDT) is at UTC-04:00. During daylight saving time, it shifts to EST.
What should I know about the EDT timezone?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
When is it midnight in CAT, what time is it in EDT?
When it is 12:00 AM (midnight) in CAT (CAT), it is -6h later in EDT (EDT).
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