CAT to NST
-5h 30mCAT
CATSOURCENST
NSTGreen rows indicate typical business hours (9 AM - 5 PM)
CAT and NST on the World Map
The map below highlights the CAT (Central Africa Time) and NST (Newfoundland 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.
NST – Newfoundland Standard Time
UTC-03:30Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.
- •NST is one of only a few half-hour offset time zones in the world.
- •Newfoundland joined Canada in 1949 and kept its unique time zone.
- •St. John's is the easternmost city in North America.
CAT to NST Time Difference – Complete Guide
CAT runs on Central Africa Time (CAT) at UTC+02:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts CAT 5 hours 30 minutes behind NST — a difference of -5h 30m at the current offsets.
In practice, when it is 9:00 AM in CAT it is 3:30 AM in NST. Midnight in CAT is 6:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CAT to NST time conversion table
| CAT (CAT) | NST (NST) | Day |
|---|---|---|
| 12:00 AM | 6:30 PM | previous day |
| 6:00 AM | 12:30 AM | same day |
| 7:00 AM | 1:30 AM | same day |
| 8:00 AM | 2:30 AM | same day |
| 9:00 AM | 3:30 AM | same day |
| 12:00 PM | 6:30 AM | same day |
| 3:00 PM | 9:30 AM | same day |
| 5:00 PM | 11:30 AM | same day |
| 6:00 PM | 12:30 PM | same day |
| 9:00 PM | 3:30 PM | same day |
Why people convert CAT to NST time
- Scheduling a call from CAT to NST: a 10:00 AM start in CAT lands at 4:30 AM in NST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CAT and NST are inside the 9-to-5 working day between 2:30 PM and 5:00 PM CAT time (9:00 AM–11:30 AM NST). That is roughly 2 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in CAT is 2:30 PM in NST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM CAT" is unambiguous; "3 PM" across a -5h 30m gap is not.
- Block 2:30 PM–5:00 PM CAT as the recurring meeting window if you work primarily from CAT and need NST colleagues present.
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 NST (Newfoundland Standard Time)
Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.
Best time to call between CAT and NST
Both CAT and NST sit inside the 9 AM – 5 PM working day between 2:30 PM–5:00 PM CAT, which is 9:00 AM–11:30 AM NST. That gives roughly 2 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
CAT and NST overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
CAT is 5 hours 30 minutes behind NST (CAT UTC+02:00 → NST UTC-03:30). The shared working window is 2:30 PM–5:00 PM CAT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CAT
Does not observe DST
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 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 NST?
CAT (CAT, UTC+02:00) is 5 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -5h 30m.
How do I convert CAT time to NST time?
Add -5h 30m to CAT local time. For example, 9:00 AM in CAT is 3:30 AM in NST.
What time is it in NST right now?
NST uses NST at UTC-03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -5h 30m offset from CAT.
What is the best time to call NST from CAT?
Call between 2:30 PM and 5:00 PM CAT — that maps to 9:00 AM–11:30 AM NST and keeps both parties inside the working day.
Which is behind, CAT or NST?
CAT is 5 hours 30 minutes behind NST. When it is 12:00 PM in CAT it is 6:30 AM in NST.
Does daylight saving time affect the CAT–NST difference?
Neither zone observes daylight saving time, so the -5h 30m offset between CAT and NST 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 NST?
Not normally. The -5h 30m gap only pushes the date over the previous day.
What is the time difference between CAT and NST?
NST is -5h 30m from CAT.
What timezone is CAT in?
CAT operates on its local timezone.
What timezone is NST in?
NST operates on its local timezone.
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 NST timezone?
Major cities in the NST timezone include St. John's, Corner Brook, Mount Pearl.
What is the UTC offset for NST?
Newfoundland Standard Time (NST) is at UTC-03:30. During daylight saving time, it shifts to NDT.
What should I know about the NST timezone?
NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.
When is it midnight in CAT, what time is it in NST?
When it is 12:00 AM (midnight) in CAT (CAT), it is -5h 30m later in NST (NST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More CAT time conversions
- cat to new york
- cat to london
- cat to dubai
- cat to tokyo
- cat to singapore
- cat to sydney
- cat to los angeles
- cat to paris
- cat to delhi
- cat to mumbai
- cat to berlin
- cat to hong kong
- cat to toronto
- cat to kathmandu
- new york to cat
- london to cat
- dubai to cat
- tokyo to cat
- singapore to cat
- sydney to cat
- los angeles to cat
- paris to cat
- delhi to cat
- mumbai to cat
- berlin to cat
- hong kong to cat
- toronto to cat
- kathmandu to cat
See every conversion from CAT →·See every conversion from NST →