EST to CAT
+7hEST
ESTSOURCECAT
CATGreen rows indicate typical business hours (9 AM - 5 PM)
EST and CAT on the World Map
The map below highlights the EST (Eastern Standard Time) and CAT (Central Africa Time) timezone regions across the globe.
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.
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 vs CAT: Offsets, DST and Best Call Times
EST runs on Eastern Standard Time (EST) at UTC-05:00. CAT runs on Central Africa Time (CAT) at UTC+02:00. That puts EST 7 hours ahead of CAT — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in EST it is 4:00 PM in CAT. Midnight in EST is 7:00 AM in CAT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EST to CAT time conversion table
| EST (EST) | CAT (CAT) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | same day |
| 6:00 AM | 1:00 PM | same day |
| 7:00 AM | 2:00 PM | same day |
| 8:00 AM | 3:00 PM | same day |
| 9:00 AM | 4:00 PM | same day |
| 12:00 PM | 7:00 PM | same day |
| 3:00 PM | 10:00 PM | same day |
| 5:00 PM | 12:00 AM | next day |
| 6:00 PM | 1:00 AM | next day |
| 9:00 PM | 4:00 AM | next day |
Why people convert EST to CAT time
- Scheduling a call from EST to CAT: a 10:00 AM start in EST lands at 5:00 PM in CAT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both EST and CAT are inside the 9-to-5 working day between 9:00 AM and 10:00 AM EST time (4:00 PM–5:00 PM CAT). That is roughly 1 hours of usable overlap.
- Booking travel or deliveries: tracking CAT local time against EST keeps pickup windows and arrival estimates honest across the +7h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EST" is unambiguous; "3 PM" across a +7h gap is not.
- Block 9:00 AM–10:00 AM EST as the recurring meeting window if you work primarily from EST and need CAT colleagues present.
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.
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.
Best time to call between EST and CAT
Both EST and CAT sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM EST, which is 4:00 PM–5:00 PM CAT. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
EST and CAT overlap for only 60 minutes (9:00 AM–10:00 AM EST), so meetings have to be booked precisely.
EST is 7 hours ahead of CAT (EST UTC-05:00 → CAT UTC+02:00). The shared working window is 9:00 AM–10:00 AM EST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
CAT
Does not observe DST
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 EST and CAT?
EST (EST, UTC-05:00) is 7 hours ahead of CAT (CAT, UTC+02:00). The gap is currently +7h.
How do I convert EST time to CAT time?
Add +7h to EST local time. For example, 9:00 AM in EST is 4:00 PM in CAT.
What time is it in CAT right now?
CAT uses CAT at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from EST.
What is the best time to call CAT from EST?
Call between 9:00 AM and 10:00 AM EST — that maps to 4:00 PM–5:00 PM CAT and keeps both parties inside the working day.
Which is ahead, EST or CAT?
EST is 7 hours ahead of CAT. When it is 12:00 PM in EST it is 7:00 PM in CAT.
Does daylight saving time affect the EST–CAT difference?
Neither zone observes daylight saving time, so the +7h offset between EST and CAT is fixed all year.
Which other cities share EST's time zone?
EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.
Which countries use EST, EST's zone?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.
Is there a day difference between EST and CAT?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between EST and CAT?
CAT is +7h from EST.
What timezone is EST in?
EST operates on its local timezone.
What timezone is CAT in?
CAT operates on its local timezone.
Which countries use EST (Eastern Standard Time)?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.
Does EST observe daylight saving time?
Yes, EST switches to EDT during summer months.
What are some interesting facts about EST?
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.
Which cities are in the CAT timezone?
Major cities in the CAT timezone include Harare, Lusaka, Maputo, Lilongwe, Kigali.
What is the UTC offset for CAT?
Central Africa Time (CAT) is at UTC+02:00.
What should I know about the CAT timezone?
Central Africa Time is fixed at UTC+02:00 with no daylight saving. CAT matches South Africa Standard Time (SAST) all year.
When is it midnight in EST, what time is it in CAT?
When it is 12:00 AM (midnight) in EST (EST), it is +7h later in CAT (CAT).
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