CAT to EST Converter & Meeting Planner
Quick answer: 9:00 AM CAT = 2:00 AM EST (fixed +02:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Central Africa Time (CAT) and Eastern Standard Time (EST)? You need to account for the standard time difference. Eastern Standard Time is normally 7 hours behind Central Africa Time. Whether you are coordinating between teams in Johannesburg and Harare and New York and Toronto, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM CAT = 5:00 PM EST. The full 24-hour CAT to EST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM CAT = 8:00 AM EST.
| CAT Time | EST Time |
|---|---|
| 12:00 AM (00:00) | 5:00 PM (17:00)-1 day |
| 1:00 AM (01:00) | 6:00 PM (18:00)-1 day |
| 2:00 AM (02:00) | 7:00 PM (19:00)-1 day |
| 3:00 AM (03:00) | 8:00 PM (20:00)-1 day |
| 4:00 AM (04:00) | 9:00 PM (21:00)-1 day |
| 5:00 AM (05:00) | 10:00 PM (22:00)-1 day |
| 6:00 AM (06:00) | 11:00 PM (23:00)-1 day |
| 7:00 AM (07:00) | 12:00 AM (00:00) |
| 8:00 AM (08:00) | 1:00 AM (01:00) |
| 9:00 AM (09:00) | 2:00 AM (02:00) |
| 10:00 AM (10:00) | 3:00 AM (03:00) |
| 11:00 AM (11:00) | 4:00 AM (04:00) |
| 12:00 PM (12:00) | 5:00 AM (05:00) |
| 1:00 PM (13:00) | 6:00 AM (06:00) |
| 2:00 PM (14:00) | 7:00 AM (07:00) |
| 3:00 PM (15:00) | 8:00 AM (08:00) |
| 4:00 PM (16:00) | 9:00 AM (09:00) |
| 5:00 PM (17:00) | 10:00 AM (10:00) |
| 6:00 PM (18:00) | 11:00 AM (11:00) |
| 7:00 PM (19:00) | 12:00 PM (12:00) |
| 8:00 PM (20:00) | 1:00 PM (13:00) |
| 9:00 PM (21:00) | 2:00 PM (14:00) |
| 10:00 PM (22:00) | 3:00 PM (15:00) |
| 11:00 PM (23:00) | 4:00 PM (16:00) |
Best time to call New York from Johannesburg
For most work calls, compare the normal business day in Johannesburg (CAT) with the business day in New York (EST). CAT commonly covers Southern Africa, Central Africa, while EST is mainly associated with North America, Caribbean, Central America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 3:00 PM - 5:00 PM CAT, which corresponds to 9:00 AM - 11:00 AM EST. This window sits inside the typical CAT workday (8:00 AM - 5:00 PM) and the EST workday (9:00 AM - 5:00 PM).
- DST Safety: CAT or EST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Johannesburg Stock Exchange (JSE): 09:00-17:00 local time in Johannesburg.
- NYSE & NASDAQ: 09:30-16:00 local time in New York.
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Frequently Asked Questions
What is the time difference between CAT and EST?
During standard time, Eastern Standard Time is 7 hours behind Central Africa Time.
Does the Central Africa Time zone observe Daylight Saving Time?
None of the countries observing Central Africa Time use Daylight Saving Time. South Africa abolished DST in 1994, and no other CAT-observing nation currently applies seasonal clock changes — CAT remains permanently fixed at UTC+02:00 throughout the year.
Which major countries use Central Africa Time (CAT)?
Central Africa Time is observed by South Africa, Zimbabwe, Zambia, Botswana, Mozambique, Malawi, and Eswatini. South Africa is the zone's dominant economy, with Johannesburg functioning as the region's primary financial center and home to the Johannesburg Stock Exchange (JSE), Africa's largest equity market by capitalization.
Is EST the same as Eastern Time (ET)?
Not exactly. 'Eastern Time' (ET) is a broad geographical term. EST is the specific UTC-05:00 offset used in winter, while EDT (Eastern Daylight Time) is the UTC-04:00 offset used during summer.
Does Florida use EST?
Most of Florida is in the Eastern Time Zone. However, the western part of the Florida Panhandle operates on Central Time (CST/CDT).