SGT to AKST
-17hSGT
SGTSOURCEAKST
AKSTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and AKST on the World Map
The map below highlights the SGT (Singapore Standard Time) and AKST (Alaska Standard Time) timezone regions across the globe.
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.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
Everything You Need to Know About SGT and AKST Time
SGT runs on Singapore Standard Time (SGT) at UTC+08:00. AKST runs on Alaska Standard Time (AKST) at UTC-09:00. That puts SGT 17 hours behind AKST — a difference of -17h at the current offsets.
In practice, when it is 9:00 AM in SGT it is 4:00 PM in AKST on the previous day. Midnight in SGT is 7:00 AM in AKST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
SGT to AKST time conversion table
| SGT (SGT) | AKST (AKST) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | previous day |
| 6:00 AM | 1:00 PM | previous day |
| 7:00 AM | 2:00 PM | previous day |
| 8:00 AM | 3:00 PM | previous day |
| 9:00 AM | 4:00 PM | previous day |
| 12:00 PM | 7:00 PM | previous day |
| 3:00 PM | 10:00 PM | previous day |
| 5:00 PM | 12:00 AM | same day |
| 6:00 PM | 1:00 AM | same day |
| 9:00 PM | 4:00 AM | same day |
Why people convert SGT to AKST time
- Scheduling a call from SGT to AKST: a 10:00 AM start in SGT lands at 5:00 PM in AKST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -17h gap: SGT and AKST 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 AKST is 4:00 PM in SGT.
- Watching a live event or market open: SGT viewers need 4:00 PM in AKST to catch a 9:00 AM start there, and 5:00 PM if the event is anchored to SGT.
- Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -17h gap is not.
- With a -17h gap there is no shared 9-to-5 window, so alternate the early start: one week SGT takes the early slot, the next week AKST 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 AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
Best time to call between SGT and AKST
With a -17h offset there is no overlap inside a normal 9 AM – 5 PM day. AKST opens at 9:00 AM AKST, which is 4:00 PM in SGT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
SGT and AKST have no shared working hours because of the -17h gap. Teams need to alternate early starts or rely on asynchronous handovers.
SGT is 17 hours behind AKST (SGT UTC+08:00 → AKST UTC-09:00). 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
SGT
Does not observe DST
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
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 SGT and AKST?
SGT (SGT, UTC+08:00) is 17 hours behind AKST (AKST, UTC-09:00). The gap is currently -17h.
How do I convert SGT time to AKST time?
Add -17h to SGT local time. For example, 9:00 AM in SGT is 4:00 PM in AKST (previous day).
What time is it in AKST right now?
AKST uses AKST at UTC-09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -17h offset from SGT.
What is the best time to call AKST from SGT?
There is no shared working-hours window because of the -17h gap. The closest option is 1:00 PM in SGT, which is 8:00 PM in AKST.
Which is behind, SGT or AKST?
SGT is 17 hours behind AKST. When it is 12:00 PM in SGT it is 7:00 PM in AKST.
Does daylight saving time affect the SGT–AKST difference?
Neither zone observes daylight saving time, so the -17h offset between SGT and AKST is fixed all year.
Which other cities share SGT's time zone?
SGT also covers Singapore.
Which countries use SGT, SGT's zone?
SGT is used in Singapore.
Is there a day difference between SGT and AKST?
Sometimes. The -17h gap is large enough that 8:00 PM or later in SGT already falls on the in AKST.
What is the time difference between SGT and AKST?
AKST is -17h from SGT.
What timezone is SGT in?
SGT operates on its local timezone.
What timezone is AKST in?
AKST operates on its local timezone.
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 AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
When is it midnight in SGT, what time is it in AKST?
When it is 12:00 AM (midnight) in SGT (SGT), it is -17h later in AKST (AKST).
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