PST to SGT
+16hPST
PSTSOURCESGT
SGTGreen rows indicate typical business hours (9 AM - 5 PM)
PST and SGT on the World Map
The map below highlights the PST (Pacific Standard Time) and SGT (Singapore Standard Time) timezone regions across the globe.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •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.
Everything You Need to Know About PST and SGT Time
PST runs on Pacific Standard Time (PST) at UTC-08:00. SGT runs on Singapore Standard Time (SGT) at UTC+08:00. That puts PST 16 hours ahead of SGT — a difference of +16h at the current offsets.
In practice, when it is 9:00 AM in PST it is 1:00 AM in SGT on the next day. Midnight in PST is 4:00 PM in SGT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PST to SGT time conversion table
| PST (PST) | SGT (SGT) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | same day |
| 6:00 AM | 10:00 PM | same day |
| 7:00 AM | 11:00 PM | same day |
| 8:00 AM | 12:00 AM | next day |
| 9:00 AM | 1:00 AM | next day |
| 12:00 PM | 4:00 AM | next day |
| 3:00 PM | 7:00 AM | next day |
| 5:00 PM | 9:00 AM | next day |
| 6:00 PM | 10:00 AM | next day |
| 9:00 PM | 1:00 PM | next day |
Why people convert PST to SGT time
- Scheduling a call from PST to SGT: a 10:00 AM start in PST lands at 2:00 AM in SGT the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +16h gap: PST and SGT 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 SGT is 1:00 AM in PST.
- Keeping family and friends in sync: knowing that 8:00 PM in PST is 12:00 PM in SGT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PST" is unambiguous; "3 PM" across a +16h gap is not.
- With a +16h gap there is no shared 9-to-5 window, so alternate the early start: one week PST takes the early slot, the next week SGT does.
About PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
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.
Best time to call between PST and SGT
With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. SGT opens at 9:00 AM SGT, which is 1:00 AM in PST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PST and SGT have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
PST is 16 hours ahead of SGT (PST UTC-08:00 → SGT UTC+08:00). 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
PST
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
SGT
Does not observe DST
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 PST and SGT?
PST (PST, UTC-08:00) is 16 hours ahead of SGT (SGT, UTC+08:00). The gap is currently +16h.
How do I convert PST time to SGT time?
Add +16h to PST local time. For example, 9:00 AM in PST is 1:00 AM in SGT (next day).
What time is it in SGT right now?
SGT uses SGT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +16h offset from PST.
What is the best time to call SGT from PST?
There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in PST, which is 5:00 AM in SGT.
Which is ahead, PST or SGT?
PST is 16 hours ahead of SGT. When it is 12:00 PM in PST it is 4:00 AM in SGT.
Does daylight saving time affect the PST–SGT difference?
Neither zone observes daylight saving time, so the +16h offset between PST and SGT is fixed all year.
Which other cities share PST's time zone?
PST also covers Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento and 2 more.
Which countries use PST, PST's zone?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Is there a day difference between PST and SGT?
Sometimes. The +16h gap is large enough that 8:00 PM or later in PST already falls on the next day in SGT.
What is the time difference between PST and SGT?
SGT is +16h from PST.
What timezone is PST in?
PST operates on its local timezone.
What timezone is SGT in?
SGT operates on its local timezone.
Which countries use PST (Pacific Standard Time)?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Does PST observe daylight saving time?
Yes, PST switches to PDT during summer months.
What are some interesting facts about PST?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
Which cities are in the SGT timezone?
Major cities in the SGT timezone include Singapore.
What is the UTC offset for SGT?
Singapore Standard Time (SGT) is at UTC+08:00.
What should I know about the SGT timezone?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
When is it midnight in PST, what time is it in SGT?
When it is 12:00 AM (midnight) in PST (PST), it is +16h later in SGT (SGT).
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See every conversion from PST →·See every conversion from SGT →