CAT to EST
-7hCAT
CATSOURCEEST
ESTGreen rows indicate typical business hours (9 AM - 5 PM)
CAT and EST on the World Map
The map below highlights the CAT (Central Africa Time) and EST (Eastern Standard 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.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
Understanding the -7h Gap: CAT vs EST
CAT runs on Central Africa Time (CAT) at UTC+02:00. EST runs on Eastern Standard Time (EST) at UTC-05:00. That puts CAT 7 hours behind EST — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in CAT it is 2:00 AM in EST. Midnight in CAT is 5:00 PM in EST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CAT to EST time conversion table
| CAT (CAT) | EST (EST) | 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 CAT to EST time
- Scheduling a call from CAT to EST: a 10:00 AM start in CAT lands at 3:00 AM in EST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CAT and EST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM CAT time (9:00 AM–10:00 AM EST). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: CAT viewers need 2:00 AM in EST to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to CAT.
- Always state the zone abbreviation, not just the hour. "3:00 PM CAT" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM CAT as the recurring meeting window if you work primarily from CAT and need EST 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 EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
Best time to call between CAT and EST
Both CAT and EST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM CAT, which is 9:00 AM–10:00 AM EST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CAT and EST overlap for only 60 minutes (4:00 PM–5:00 PM CAT), so meetings have to be booked precisely.
CAT is 7 hours behind EST (CAT UTC+02:00 → EST UTC-05:00). The shared working window is 4:00 PM–5:00 PM CAT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CAT
Does not observe DST
EST
☀ 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 EST?
CAT (CAT, UTC+02:00) is 7 hours behind EST (EST, UTC-05:00). The gap is currently -7h.
How do I convert CAT time to EST time?
Add -7h to CAT local time. For example, 9:00 AM in CAT is 2:00 AM in EST.
What time is it in EST right now?
EST uses EST at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from CAT.
What is the best time to call EST from CAT?
Call between 4:00 PM and 5:00 PM CAT — that maps to 9:00 AM–10:00 AM EST and keeps both parties inside the working day.
Which is behind, CAT or EST?
CAT is 7 hours behind EST. When it is 12:00 PM in CAT it is 5:00 AM in EST.
Does daylight saving time affect the CAT–EST difference?
Neither zone observes daylight saving time, so the -7h offset between CAT and EST 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 EST?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between CAT and EST?
EST is -7h from CAT.
What timezone is CAT in?
CAT operates on its local timezone.
What timezone is EST in?
EST 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 EST timezone?
Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EST?
Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.
What should I know about the EST timezone?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
When is it midnight in CAT, what time is it in EST?
When it is 12:00 AM (midnight) in CAT (CAT), it is -7h later in EST (EST).
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