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Singapore to NST

-11h 30m

Singapore

SGTSOURCE
Singapore · UTC+08:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

NST

NST
UTC-02:30☀ DST active
HH12
:
MM30
  
00:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Singapore
NST
12:00 AM
1:30 PM-1
2:00 AM
3:30 PM-1
4:00 AM
5:30 PM-1
6:00 AM
7:30 PM-1
8:00 AM
9:30 PM-1
10:00 AM
11:30 PM-1
12:00 PM
1:30 AM
2:00 PM
3:30 AM
4:00 PM
5:30 AM
6:00 PM
7:30 AM
8:00 PM
9:30 AM
10:00 PM
11:30 AM

Green rows indicate typical business hours (9 AM - 5 PM)

SGT and NST on the World Map

The map below highlights the SGT (Singapore Standard Time) and NST (Newfoundland Standard Time) timezone regions across the globe.

SGTNSTSingaporeSt. John'sCorner BrookMount Pearl
SGT Zone
→
NST Zone

Explore all world timezones interactively →

SGT – Singapore Standard Time

UTC+08:00

Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.

Countries in SGT
Singapore
Major Cities in SGT
Singapore
Key Facts about SGT
  • •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
  • •Singapore does not observe daylight saving time.
  • •The Singapore Exchange (SGX) operates on SGT.
Daylight Saving:No – UTC+08:00 year-round
Learn more about SGT on Wikipedia

NST – Newfoundland Standard Time

UTC-03:30

Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.

Countries in NST
Canada (Newfoundland)
Major Cities in NST
St. John'sCorner BrookMount Pearl
Key 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.
  • •St. John's is the easternmost city in North America.
Daylight Saving:Yes – switches to NDT
Learn more about NST on Wikipedia

About Singapore

Wikipedia

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

Population:5.5 million
Metro:5.9 million
Business Hours:9:00 AM - 6:00 PM SGT
Currency:SGD (S$)
Stock Exchange:SGX (Singapore Exchange)
Key Landmarks
Marina Bay SandsGardens by the BayMerlionSentosa IslandOrchard Road
Did You Know?

The city-state has the world's highest percentage of millionaires, with 1 in 6 households.

Learn more about SGT timezone →

Everything You Need to Know About Singapore and NST Time

Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts Singapore 11 hours 30 minutes behind NST — a difference of -11h 30m at the current offsets.

In practice, when it is 9:00 AM in Singapore it is 9:30 PM in NST on the previous day. Midnight in Singapore is 12:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Singapore to NST time conversion table

Singapore (SGT)NST (NST)Day
12:00 AM12:30 PMprevious day
6:00 AM6:30 PMprevious day
7:00 AM7:30 PMprevious day
8:00 AM8:30 PMprevious day
9:00 AM9:30 PMprevious day
12:00 PM12:30 AMsame day
3:00 PM3:30 AMsame day
5:00 PM5:30 AMsame day
6:00 PM6:30 AMsame day
9:00 PM9:30 AMsame day

Why people convert Singapore to NST time

  • Scheduling a call from Singapore to NST: a 10:00 AM start in Singapore 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: Singapore 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 Singapore.
  • Coordinating a Singapore-based team with NST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
  • Always state the zone abbreviation, not just the hour. "3:00 PM SGT" 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 Singapore takes the early slot, the next week NST does.

About SGT (Singapore Standard Time)

Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.

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 Singapore 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 Singapore, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Singapore and NST have no shared working hours because of the -11h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.

Singapore is 11 hours 30 minutes behind NST (SGT 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

Singapore

Does not observe DST

NST

☀ Currently in DST

Standard: UTC-03:30 · DST: UTC-02:30

Clocks fall back on Sun, Nov 1, 2026

Frequently Asked Questions

What is the time difference between Singapore and NST?

Singapore (SGT, UTC+08:00) is 11 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -11h 30m.

How do I convert Singapore time to NST time?

Add -11h 30m to Singapore local time. For example, 9:00 AM in Singapore 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 Singapore.

What is the best time to call NST from Singapore?

There is no shared working-hours window because of the -11h 30m gap. The closest option is 1:00 PM in Singapore, which is 1:30 AM in NST.

Which is behind, Singapore or NST?

Singapore is 11 hours 30 minutes behind NST. When it is 12:00 PM in Singapore it is 12:30 AM in NST.

Do Singapore and NST use different time zones?

Singapore (Singapore) uses SGT at UTC+08:00, while NST uses NST at UTC-03:30. The IANA identifiers are Asia/Singapore and America/St_Johns.

Does daylight saving time affect the Singapore–NST difference?

Neither zone observes daylight saving time, so the -11h 30m offset between Singapore and NST is fixed all year.

Which other cities share Singapore's time zone?

SGT also covers Singapore.

Which countries use SGT, Singapore's zone?

SGT is used in Singapore.

Is there a day difference between Singapore and NST?

Not normally. The -11h 30m gap only pushes the date over the previous day.

What is the time difference between Singapore and NST?

NST is -11h 30m from Singapore.

What timezone is Singapore in?

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

What timezone is NST in?

NST operates on its local timezone.

What are the business hours in Singapore?

Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.

Which countries use SGT (Singapore Standard Time)?

SGT is used in Singapore.

Does SGT observe daylight saving time?

No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.

What are some interesting facts about SGT?

Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.

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 Singapore, what time is it in NST?

When it is 12:00 AM (midnight) in Singapore (SGT), it is -11h 30m later in NST (NST).