CAT to EDT Converter & Meeting Planner
Quick answer: 9:00 AM CAT = 3:00 AM EDT (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 Daylight Time (EDT)? You need to account for the standard time difference. Eastern Daylight Time is normally 6 hours behind Central Africa Time. Whether you are coordinating between teams in Johannesburg and Harare and New York and Washington D.C., 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 = 6:00 PM EDT. The full 24-hour CAT to EDT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM CAT = 9:00 AM EDT.
| CAT Time | EDT Time |
|---|---|
| 12:00 AM (00:00) | 6:00 PM (18:00)-1 day |
| 1:00 AM (01:00) | 7:00 PM (19:00)-1 day |
| 2:00 AM (02:00) | 8:00 PM (20:00)-1 day |
| 3:00 AM (03:00) | 9:00 PM (21:00)-1 day |
| 4:00 AM (04:00) | 10:00 PM (22:00)-1 day |
| 5:00 AM (05:00) | 11:00 PM (23:00)-1 day |
| 6:00 AM (06:00) | 12:00 AM (00:00) |
| 7:00 AM (07:00) | 1:00 AM (01:00) |
| 8:00 AM (08:00) | 2:00 AM (02:00) |
| 9:00 AM (09:00) | 3:00 AM (03:00) |
| 10:00 AM (10:00) | 4:00 AM (04:00) |
| 11:00 AM (11:00) | 5:00 AM (05:00) |
| 12:00 PM (12:00) | 6:00 AM (06:00) |
| 1:00 PM (13:00) | 7:00 AM (07:00) |
| 2:00 PM (14:00) | 8:00 AM (08:00) |
| 3:00 PM (15:00) | 9:00 AM (09:00) |
| 4:00 PM (16:00) | 10:00 AM (10:00) |
| 5:00 PM (17:00) | 11:00 AM (11:00) |
| 6:00 PM (18:00) | 12:00 PM (12:00) |
| 7:00 PM (19:00) | 1:00 PM (13:00) |
| 8:00 PM (20:00) | 2:00 PM (14:00) |
| 9:00 PM (21:00) | 3:00 PM (15:00) |
| 10:00 PM (22:00) | 4:00 PM (16:00) |
| 11:00 PM (23:00) | 5:00 PM (17:00) |
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 (EDT). CAT commonly covers Southern Africa, Central Africa, while EDT is mainly associated with North America, Caribbean.
⚠️ 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 EDT. This window sits inside the typical CAT workday (8:00 AM - 5:00 PM) and the EDT workday (9:00 AM - 6:00 PM).
- DST Safety: CAT or EDT 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.
- New York Stock Exchange (NYSE): 09:30-16:00 local time in New York.
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Frequently Asked Questions
What is the time difference between CAT and EDT?
During standard time, Eastern Daylight Time is 6 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.
When does EDT start and end?
EDT begins on the second Sunday in March at 02:00 local time, when clocks spring forward one hour from EST (UTC-5) to EDT (UTC-4). It ends on the first Sunday in November at 02:00 local time, when clocks fall back to EST. In 2026, EDT runs from March 8 through November 1.
Is EDT the same as EST?
EDT and EST are two phases of the same Eastern Time zone, not two separate zones. EST (Eastern Standard Time) is the winter offset at UTC-5, observed from early November through mid-March. EDT (Eastern Daylight Time) is the summer offset at UTC-4, active during Daylight Saving Time — meaning New York and Toronto run one hour ahead of their winter clock for roughly eight months of every year.