BRT to CAT
+5hBRT
BRTSOURCECAT
CATGreen rows indicate typical business hours (9 AM - 5 PM)
BRT and CAT on the World Map
The map below highlights the BRT (Brasilia Time) and CAT (Central Africa Time) timezone regions across the globe.
BRT – Brasilia Time
UTC-03:00Brasilia Time (BRT) is the time zone for eastern Brazil, 3 hours behind UTC.
- •Brazil abolished daylight saving time in 2019.
- •São Paulo is the largest city in the Southern Hemisphere.
- •BRT is 2 hours ahead of EST.
- •Brazil spans four different time zones.
- •The B3 stock exchange in São Paulo operates on BRT.
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.
BRT vs CAT: Offsets, DST and Best Call Times
BRT runs on Brasilia Time (BRT) at UTC-03:00. CAT runs on Central Africa Time (CAT) at UTC+02:00. That puts BRT 5 hours ahead of CAT — a difference of +5h at the current offsets.
In practice, when it is 9:00 AM in BRT it is 2:00 PM in CAT. Midnight in BRT is 5:00 AM in CAT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BRT to CAT time conversion table
| BRT (BRT) | CAT (CAT) | Day |
|---|---|---|
| 12:00 AM | 5:00 AM | same day |
| 6:00 AM | 11:00 AM | same day |
| 7:00 AM | 12:00 PM | same day |
| 8:00 AM | 1:00 PM | same day |
| 9:00 AM | 2:00 PM | same day |
| 12:00 PM | 5:00 PM | same day |
| 3:00 PM | 8:00 PM | same day |
| 5:00 PM | 10:00 PM | same day |
| 6:00 PM | 11:00 PM | same day |
| 9:00 PM | 2:00 AM | next day |
Why people convert BRT to CAT time
- Scheduling a call from BRT to CAT: a 10:00 AM start in BRT lands at 3:00 PM in CAT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both BRT and CAT are inside the 9-to-5 working day between 9:00 AM and 12:00 PM BRT time (2:00 PM–5:00 PM CAT). That is roughly 3 hours of usable overlap.
- Watching a live event or market open: BRT viewers need 2:00 PM in CAT to catch a 9:00 AM start there, and 7:00 PM if the event is anchored to BRT.
- Always state the zone abbreviation, not just the hour. "3:00 PM BRT" is unambiguous; "3 PM" across a +5h gap is not.
- Block 9:00 AM–12:00 PM BRT as the recurring meeting window if you work primarily from BRT and need CAT colleagues present.
About BRT (Brasilia Time)
Brasilia Time (BRT) is the standard time in the most populous regions of Brazil, including São Paulo, Rio de Janeiro, and the capital Brasília. Brazil abolished daylight saving time in 2019, so BRT is now observed year-round in these regions. Brazil spans four time zones in total.
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 BRT and CAT
Both BRT and CAT sit inside the 9 AM – 5 PM working day between 9:00 AM–12:00 PM BRT, which is 2:00 PM–5:00 PM CAT. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
BRT and CAT overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
BRT is 5 hours ahead of CAT (BRT UTC-03:00 → CAT UTC+02:00). The shared working window is 9:00 AM–12:00 PM BRT. Remember to re-check around daylight-saving transitions.
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 BRT and CAT?
BRT (BRT, UTC-03:00) is 5 hours ahead of CAT (CAT, UTC+02:00). The gap is currently +5h.
How do I convert BRT time to CAT time?
Add +5h to BRT local time. For example, 9:00 AM in BRT is 2:00 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 +5h offset from BRT.
What is the best time to call CAT from BRT?
Call between 9:00 AM and 12:00 PM BRT — that maps to 2:00 PM–5:00 PM CAT and keeps both parties inside the working day.
Which is ahead, BRT or CAT?
BRT is 5 hours ahead of CAT. When it is 12:00 PM in BRT it is 5:00 PM in CAT.
Does daylight saving time affect the BRT–CAT difference?
Neither zone observes daylight saving time, so the +5h offset between BRT and CAT is fixed all year.
Which other cities share BRT's time zone?
BRT also covers São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Salvador, Fortaleza, Recife, Curitiba.
Which countries use BRT, BRT's zone?
BRT is used in Brazil (eastern).
Is there a day difference between BRT and CAT?
Not normally. The +5h gap only pushes the date over for late-evening times.
What is the time difference between BRT and CAT?
CAT is +5h from BRT.
What timezone is BRT in?
BRT operates on its local timezone.
What timezone is CAT in?
CAT operates on its local timezone.
Which countries use BRT (Brasilia Time)?
BRT is used in Brazil (eastern).
Does BRT observe daylight saving time?
No, BRT does not observe daylight saving time and remains at UTC-03:00 year-round.
What are some interesting facts about BRT?
Brazil abolished daylight saving time in 2019. São Paulo is the largest city in the Southern Hemisphere.
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 BRT, what time is it in CAT?
When it is 12:00 AM (midnight) in BRT (BRT), it is +5h later in CAT (CAT).
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