Hong Kong to CAT
-6hHong Kong
HKTSOURCECAT
CATGreen rows indicate typical business hours (9 AM - 5 PM)
HKT and CAT on the World Map
The map below highlights the HKT (Hong Kong Time) and CAT (Central Africa Time) timezone regions across the globe.
HKT – Hong Kong Time
UTC+08:00Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.
- •Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
- •HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
- •The Hong Kong Stock Exchange opens at 09:30 HKT.
- •Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.
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.
About Hong Kong
WikipediaHong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
The city has one of the world's most efficient and affordable public transit systems.
Understanding the -6h Gap: Hong Kong vs CAT
Hong Kong runs on Hong Kong Standard Time (HKT) at UTC+08:00. CAT runs on Central Africa Time (CAT) at UTC+02:00. That puts Hong Kong 6 hours behind CAT — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Hong Kong it is 3:00 AM in CAT. Midnight in Hong Kong is 6:00 PM in CAT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Hong Kong to CAT time conversion table
| Hong Kong (HKT) | CAT (CAT) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert Hong Kong to CAT time
- Scheduling a call from Hong Kong to CAT: a 10:00 AM start in Hong Kong lands at 4:00 AM in CAT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Hong Kong and CAT are inside the 9-to-5 working day between 3:00 PM and 5:00 PM HKT time (9:00 AM–11:00 AM CAT). That is roughly 2 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Hong Kong is 2:00 PM in CAT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM HKT" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM HKT as the recurring meeting window if you work primarily from Hong Kong and need CAT colleagues present.
About HKT (Hong Kong Time)
Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.
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 Hong Kong and CAT
Both Hong Kong and CAT sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM HKT, which is 9:00 AM–11:00 AM CAT. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Hong Kong and CAT overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Hong Kong is 6 hours behind CAT (HKT UTC+08:00 → CAT UTC+02:00). The shared working window is 3:00 PM–5:00 PM HKT. 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 Hong Kong and CAT?
Hong Kong (HKT, UTC+08:00) is 6 hours behind CAT (CAT, UTC+02:00). The gap is currently -6h.
How do I convert Hong Kong time to CAT time?
Add -6h to Hong Kong local time. For example, 9:00 AM in Hong Kong is 3:00 AM 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 -6h offset from Hong Kong.
What is the best time to call CAT from Hong Kong?
Call between 3:00 PM and 5:00 PM HKT — that maps to 9:00 AM–11:00 AM CAT and keeps both parties inside the working day.
Which is behind, Hong Kong or CAT?
Hong Kong is 6 hours behind CAT. When it is 12:00 PM in Hong Kong it is 6:00 AM in CAT.
Do Hong Kong and CAT use different time zones?
Hong Kong (Hong Kong) uses HKT at UTC+08:00, while CAT uses CAT at UTC+02:00. The IANA identifiers are Asia/Hong_Kong and Africa/Harare.
Does daylight saving time affect the Hong Kong–CAT difference?
Neither zone observes daylight saving time, so the -6h offset between Hong Kong and CAT is fixed all year.
Which other cities share Hong Kong's time zone?
HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
Which countries use HKT, Hong Kong's zone?
HKT is used in Hong Kong SAR.
Is there a day difference between Hong Kong and CAT?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Hong Kong and CAT?
CAT is -6h from Hong Kong.
What timezone is Hong Kong in?
Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
What timezone is CAT in?
CAT operates on its local timezone.
What are the business hours in Hong Kong?
Standard business hours in Hong Kong are 9:00 AM - 6:00 PM HKT.
Which countries use HKT (Hong Kong Time)?
HKT is used in Hong Kong SAR.
Does HKT observe daylight saving time?
No, HKT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about HKT?
Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
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 Hong Kong, what time is it in CAT?
When it is 12:00 AM (midnight) in Hong Kong (HKT), it is -6h later in CAT (CAT).
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