CAT to Sydney
+8hCAT
CATSOURCESydney
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
CAT and AEST on the World Map
The map below highlights the CAT (Central Africa Time) and AEST (Australian 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.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
About Sydney
WikipediaSydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
Sydney is one of the first major cities to welcome the New Year.
Understanding the +8h Gap: CAT vs Sydney
CAT runs on Central Africa Time (CAT) at UTC+02:00. Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts CAT 8 hours ahead of Sydney — a difference of +8h at the current offsets.
In practice, when it is 9:00 AM in CAT it is 5:00 PM in Sydney. Midnight in CAT is 8:00 AM in Sydney. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CAT to Sydney time conversion table
| CAT (CAT) | Sydney (AEST) | Day |
|---|---|---|
| 12:00 AM | 8:00 AM | same day |
| 6:00 AM | 2:00 PM | same day |
| 7:00 AM | 3:00 PM | same day |
| 8:00 AM | 4:00 PM | same day |
| 9:00 AM | 5:00 PM | same day |
| 12:00 PM | 8:00 PM | same day |
| 3:00 PM | 11:00 PM | same day |
| 5:00 PM | 1:00 AM | next day |
| 6:00 PM | 2:00 AM | next day |
| 9:00 PM | 5:00 AM | next day |
Why people convert CAT to Sydney time
- Scheduling a call from CAT to Sydney: a 10:00 AM start in CAT lands at 6:00 PM in Sydney, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +8h gap: CAT and Sydney have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Sydney is 5:00 PM in CAT.
- Booking travel or deliveries: tracking Sydney local time against CAT keeps pickup windows and arrival estimates honest across the +8h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM CAT" is unambiguous; "3 PM" across a +8h gap is not.
- With a +8h gap there is no shared 9-to-5 window, so alternate the early start: one week CAT takes the early slot, the next week Sydney does.
- Sydney: Clocks spring forward on Sat, Oct 3, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
Best time to call between CAT and Sydney
With a +8h offset there is no overlap inside a normal 9 AM – 5 PM day. Sydney opens at 9:00 AM AEST, which is 5:00 PM in CAT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
CAT and Sydney have no shared working hours because of the +8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
CAT is 8 hours ahead of Sydney (CAT UTC+02:00 → AEST UTC+10:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CAT
Does not observe DST
Sydney
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 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 Sydney?
CAT (CAT, UTC+02:00) is 8 hours ahead of Sydney (AEST, UTC+10:00). The gap is currently +8h.
How do I convert CAT time to Sydney time?
Add +8h to CAT local time. For example, 9:00 AM in CAT is 5:00 PM in Sydney.
What time is it in Sydney right now?
Sydney uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +8h offset from CAT.
What is the best time to call Sydney from CAT?
There is no shared working-hours window because of the +8h gap. The closest option is 1:00 PM in CAT, which is 9:00 PM in Sydney.
Which is ahead, CAT or Sydney?
CAT is 8 hours ahead of Sydney. When it is 12:00 PM in CAT it is 8:00 PM in Sydney.
Do CAT and Sydney use different time zones?
CAT uses CAT at UTC+02:00, while Sydney (Australia) uses AEST at UTC+10:00. The IANA identifiers are Africa/Harare and Australia/Sydney.
Does daylight saving time affect the CAT–Sydney difference?
Neither zone observes daylight saving time, so the +8h offset between CAT and Sydney 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 Sydney?
Not normally. The +8h gap only pushes the date over for late-evening times.
What is the time difference between CAT and Sydney?
Sydney is +8h from CAT.
What timezone is CAT in?
CAT operates on its local timezone.
What timezone is Sydney in?
Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
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 AEST timezone?
Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
What is the UTC offset for AEST?
Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEST timezone?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
When is it midnight in CAT, what time is it in Sydney?
When it is 12:00 AM (midnight) in CAT (CAT), it is +8h later in Sydney (AEST).
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