AWST to NST
-11h 30mAWST
AWSTSOURCENST
NSTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and NST on the World Map
The map below highlights the AWST (Australian Western Standard Time) and NST (Newfoundland Standard Time) timezone regions across the globe.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
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.
Understanding the -11h 30m Gap: AWST vs NST
AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts AWST 11 hours 30 minutes behind NST — a difference of -11h 30m at the current offsets.
In practice, when it is 9:00 AM in AWST it is 9:30 PM in NST on the previous day. Midnight in AWST is 12:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AWST to NST time conversion table
| AWST (AWST) | NST (NST) | Day |
|---|---|---|
| 12:00 AM | 12:30 PM | previous day |
| 6:00 AM | 6:30 PM | previous day |
| 7:00 AM | 7:30 PM | previous day |
| 8:00 AM | 8:30 PM | previous day |
| 9:00 AM | 9:30 PM | previous day |
| 12:00 PM | 12:30 AM | same day |
| 3:00 PM | 3:30 AM | same day |
| 5:00 PM | 5:30 AM | same day |
| 6:00 PM | 6:30 AM | same day |
| 9:00 PM | 9:30 AM | same day |
Why people convert AWST to NST time
- Scheduling a call from AWST to NST: a 10:00 AM start in AWST lands at 10:30 PM in NST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h 30m gap: AWST and NST 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 NST is 9:30 PM in AWST.
- Booking travel or deliveries: tracking NST local time against AWST keeps pickup windows and arrival estimates honest across the -11h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -11h 30m gap is not.
- With a -11h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week AWST takes the early slot, the next week NST does.
About AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
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 AWST and NST
With a -11h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. NST opens at 9:00 AM NST, which is 9:30 PM in AWST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AWST and NST have no shared working hours because of the -11h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
AWST is 11 hours 30 minutes behind NST (AWST UTC+08:00 → NST UTC-03:30). 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
AWST
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 AWST and NST?
AWST (AWST, UTC+08:00) is 11 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -11h 30m.
How do I convert AWST time to NST time?
Add -11h 30m to AWST local time. For example, 9:00 AM in AWST is 9:30 PM in NST (previous day).
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 -11h 30m offset from AWST.
What is the best time to call NST from AWST?
There is no shared working-hours window because of the -11h 30m gap. The closest option is 1:00 PM in AWST, which is 1:30 AM in NST.
Which is behind, AWST or NST?
AWST is 11 hours 30 minutes behind NST. When it is 12:00 PM in AWST it is 12:30 AM in NST.
Does daylight saving time affect the AWST–NST difference?
Neither zone observes daylight saving time, so the -11h 30m offset between AWST and NST is fixed all year.
Which other cities share AWST's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, AWST's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between AWST and NST?
Not normally. The -11h 30m gap only pushes the date over the previous day.
What is the time difference between AWST and NST?
NST is -11h 30m from AWST.
What timezone is AWST in?
AWST operates on its local timezone.
What timezone is NST in?
NST operates on its local timezone.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
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 AWST, what time is it in NST?
When it is 12:00 AM (midnight) in AWST (AWST), it is -11h 30m later in NST (NST).
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See every conversion from AWST →·See every conversion from NST →