Sydney to NST
-13h 30mSydney
AESTSOURCENST
NSTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and NST on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and NST (Newfoundland Standard Time) timezone regions across the globe.
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.
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.
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.
Everything You Need to Know About Sydney and NST Time
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts Sydney 13 hours 30 minutes behind NST — a difference of -13h 30m at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 7:30 PM in NST on the previous day. Midnight in Sydney is 10:30 AM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sydney to NST time conversion table
| Sydney (AEST) | NST (NST) | Day |
|---|---|---|
| 12:00 AM | 10:30 AM | previous day |
| 6:00 AM | 4:30 PM | previous day |
| 7:00 AM | 5:30 PM | previous day |
| 8:00 AM | 6:30 PM | previous day |
| 9:00 AM | 7:30 PM | previous day |
| 12:00 PM | 10:30 PM | previous day |
| 3:00 PM | 1:30 AM | same day |
| 5:00 PM | 3:30 AM | same day |
| 6:00 PM | 4:30 AM | same day |
| 9:00 PM | 7:30 AM | same day |
Why people convert Sydney to NST time
- Scheduling a call from Sydney to NST: a 10:00 AM start in Sydney lands at 8:30 PM in NST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h 30m gap: Sydney 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 7:30 PM in Sydney.
- Watching a live event or market open: Sydney viewers need 7:30 PM in NST to catch a 9:00 AM start there, and 1:30 PM if the event is anchored to Sydney.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEST" 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 Sydney takes the early slot, the next week NST does.
- Sydney: Clocks spring forward on Sat, Oct 3, 2026. Re-check this page after that date because the offset changes and so does the -13h 30m gap.
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.
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 Sydney and NST
With a -13h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. NST opens at 9:00 AM NST, which is 7:30 PM in Sydney, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Sydney and NST have no shared working hours because of the -13h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Sydney is 13 hours 30 minutes behind NST (AEST UTC+10:00 → 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
Sydney
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 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 Sydney and NST?
Sydney (AEST, UTC+10:00) is 13 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -13h 30m.
How do I convert Sydney time to NST time?
Add -13h 30m to Sydney local time. For example, 9:00 AM in Sydney is 7:30 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 -13h 30m offset from Sydney.
What is the best time to call NST from Sydney?
There is no shared working-hours window because of the -13h 30m gap. The closest option is 1:00 PM in Sydney, which is 11:30 PM in NST.
Which is behind, Sydney or NST?
Sydney is 13 hours 30 minutes behind NST. When it is 12:00 PM in Sydney it is 10:30 PM in NST.
Do Sydney and NST use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while NST uses NST at UTC-03:30. The IANA identifiers are Australia/Sydney and America/St_Johns.
Does daylight saving time affect the Sydney–NST difference?
Neither zone observes daylight saving time, so the -13h 30m offset between Sydney and NST is fixed all year.
Which other cities share Sydney's time zone?
AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
Which countries use AEST, Sydney's zone?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Is there a day difference between Sydney and NST?
Sometimes. The -13h 30m gap is large enough that 8:00 PM or later in Sydney already falls on the in NST.
What is the time difference between Sydney and NST?
NST is -13h 30m from Sydney.
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 timezone is NST in?
NST operates on its local timezone.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
Which countries use AEST (Australian Eastern Standard Time)?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Does AEST observe daylight saving time?
Yes, AEST switches to AEDT during summer months.
What are some interesting facts about AEST?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
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 Sydney, what time is it in NST?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -13h 30m later in NST (NST).
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