NST to Sydney
+13h 30mNST
NSTSOURCESydney
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
NST and AEST on the World Map
The map below highlights the NST (Newfoundland Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.
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.
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.
NST to Sydney Time Difference – Complete Guide
NST runs on Newfoundland Standard Time (NST) at UTC-03:30. Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts NST 13 hours 30 minutes ahead of Sydney — a difference of +13h 30m at the current offsets.
In practice, when it is 9:00 AM in NST it is 10:30 PM in Sydney. Midnight in NST is 1:30 PM in Sydney. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NST to Sydney time conversion table
| NST (NST) | Sydney (AEST) | Day |
|---|---|---|
| 12:00 AM | 1:30 PM | same day |
| 6:00 AM | 7:30 PM | same day |
| 7:00 AM | 8:30 PM | same day |
| 8:00 AM | 9:30 PM | same day |
| 9:00 AM | 10:30 PM | same day |
| 12:00 PM | 1:30 AM | next day |
| 3:00 PM | 4:30 AM | next day |
| 5:00 PM | 6:30 AM | next day |
| 6:00 PM | 7:30 AM | next day |
| 9:00 PM | 10:30 AM | next day |
Why people convert NST to Sydney time
- Scheduling a call from NST to Sydney: a 10:00 AM start in NST lands at 11:30 PM in Sydney, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h 30m gap: NST 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 10:30 PM in NST.
- Keeping family and friends in sync: knowing that 8:00 PM in NST is 9:30 AM in Sydney makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM NST" is unambiguous; "3 PM" across a +13h 30m gap is not.
- With a +13h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week NST 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 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.
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 NST and Sydney
With a +13h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Sydney opens at 9:00 AM AEST, which is 10:30 PM in NST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
NST and Sydney have no shared working hours because of the +13h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
NST is 13 hours 30 minutes ahead of Sydney (NST UTC-03:30 → 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
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 2026
Sydney
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
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 NST and Sydney?
NST (NST, UTC-03:30) is 13 hours 30 minutes ahead of Sydney (AEST, UTC+10:00). The gap is currently +13h 30m.
How do I convert NST time to Sydney time?
Add +13h 30m to NST local time. For example, 9:00 AM in NST is 10:30 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 +13h 30m offset from NST.
What is the best time to call Sydney from NST?
There is no shared working-hours window because of the +13h 30m gap. The closest option is 1:00 PM in NST, which is 2:30 AM in Sydney.
Which is ahead, NST or Sydney?
NST is 13 hours 30 minutes ahead of Sydney. When it is 12:00 PM in NST it is 1:30 AM in Sydney.
Do NST and Sydney use different time zones?
NST uses NST at UTC-03:30, while Sydney (Australia) uses AEST at UTC+10:00. The IANA identifiers are America/St_Johns and Australia/Sydney.
Does daylight saving time affect the NST–Sydney difference?
Neither zone observes daylight saving time, so the +13h 30m offset between NST and Sydney is fixed all year.
Which other cities share NST's time zone?
NST also covers St. John's, Corner Brook, Mount Pearl.
Which countries use NST, NST's zone?
NST is used in Canada (Newfoundland).
Is there a day difference between NST and Sydney?
Sometimes. The +13h 30m gap is large enough that 8:00 PM or later in NST already falls on the next day in Sydney.
What is the time difference between NST and Sydney?
Sydney is +13h 30m from NST.
What timezone is NST in?
NST 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 NST (Newfoundland Standard Time)?
NST is used in Canada (Newfoundland).
Does NST observe daylight saving time?
Yes, NST switches to NDT during summer months.
What are some interesting facts about NST?
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.
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 NST, what time is it in Sydney?
When it is 12:00 AM (midnight) in NST (NST), it is +13h 30m later in Sydney (AEST).
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