AKST to SGT Converter
Convert time between Alaska Standard Time (AKST) and Singapore Standard Time (SGT)
Alaska Standard Time (AKST)
Singapore Standard Time (SGT)
Time Difference
Singapore Standard Time (SGT) is 0 hours ahead of Alaska Standard Time (AKST)
Select Date
Select Time
Quick Reference
| AKST | SGT |
|---|---|
| 18:00 | 10:00 |
| 20:00 | 12:00 |
| 22:00 | 14:00 |
| 00:00 | 16:00 |
| 02:00 | 18:00 |
| 04:00 | 20:00 |
| 06:00 | 22:00 |
| 08:00 | 00:00 |
| 10:00 | 02:00 |
| 12:00 | 04:00 |
| 14:00 | 06:00 |
| 16:00 | 08:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About AKST to SGT Time Conversion
Converting time between Alaska Standard Time (AKST) and Singapore Standard Time (SGT) covers a 17-hour gap. AKST is UTC-9, while SGT is UTC+8 year-round, putting Singapore 17 hours ahead of Alaska in winter. Any Alaskan daytime call lands on the next calendar day in Singapore.
This time zone converter uses the IANA timezone database to ensure accurate calculations. AKST runs from the first Sunday in November to the second Sunday in March. During the rest of the year Alaska is on AKDT (UTC-8) and the gap narrows to 16 hours. Singapore never observes daylight saving, so seasonal variation comes purely from the Alaska side. Whether you're scheduling winter calls with Singaporean partners or coordinating cross-Pacific operations, our converter clarifies the dateline math.
Common Use Cases for AKST to SGT Conversion
Business & Work
- Scheduling winter calls between Alaska offices and Singapore
- Coordinating seafood, oil and gas, or shipping operations across the North Pacific
- Planning conference calls with Singapore partners from Anchorage during AKST months
Personal & Travel
- Planning winter travel from Alaska to Singapore
- Coordinating with family and friends in Singapore
- Scheduling virtual events bridging Alaska and Southeast Asia
Time Zone Information
Alaska Standard Time (AKST)
- UTC Offset: UTC-9
- IANA Timezone: America/Anchorage
- Daylight Saving: Switches to AKDT (UTC-8) from second Sunday in March to first Sunday in November
- Major Cities: Anchorage, Juneau, Fairbanks, Sitka, Wasilla
- Coverage: Most of the state of Alaska during standard time months
Singapore Standard Time (SGT)
- UTC Offset: UTC+8
- IANA Timezone: Asia/Singapore
- Daylight Saving: No daylight saving time (consistent year-round)
- Major Cities: Singapore
- Coverage: Republic of Singapore
Quick Reference: AKST to SGT
Remember: SGT is 17 hours ahead of AKST. During AKDT (March to November) the offset shrinks to 16 hours. Always note the date — Alaskan daytimes land on the next Singapore calendar day.
Frequently Asked Questions
What is the time difference between AKST and SGT?
Alaska Standard Time (AKST) is UTC-9, while Singapore Standard Time (SGT) is UTC+8. SGT is 17 hours ahead of AKST. When it is 12:00 PM in Anchorage, it is 5:00 AM the next day in Singapore.
When does AKST apply?
AKST is the standard (winter) time of Alaska, in effect from the first Sunday in November to the second Sunday in March. Outside that window Alaska is on AKDT (UTC-8) and Singapore moves to 16 hours ahead.
How does the time difference change throughout the year?
When Alaska shifts to AKDT in March, the Singapore offset shrinks from 17 hours to 16 hours. Singapore never observes daylight saving, so the seasonal change is purely on the Alaskan side.
What are the best times for AKST-SGT business calls?
The overlap is narrow. Late afternoon in Anchorage (5:00 to 6:00 PM AKST) lands in Singapore mid-morning (10:00 to 11:00 AM SGT the next day). For a Singapore evening contact, schedule around 2:00 to 3:00 AM AKST (7:00 to 8:00 PM SGT same day Singapore time).
Which countries or regions use SGT?
Singapore Standard Time is used only in the Republic of Singapore. Neighboring Malaysia uses the same UTC+8 offset under the name MYT, and Western Australia uses AWST also at UTC+8.
Which countries or regions use AKST?
AKST applies in most of the state of Alaska during winter months. Major cities include Anchorage, Juneau, Fairbanks, Sitka and Wasilla. Some far western Aleutian communities follow HAST/HADT instead.
Pro Tips
- • SGT is 17 hours ahead of AKST — add 17 hours to Alaska time and roll the date forward to get Singapore time.
- • Singapore never observes DST, so when AKDT begins in March the offset drops to 16 hours entirely on the Alaska side.
- • Anchorage afternoons line up with Singapore mornings the next day. Evenings line up with Singapore early afternoon next day.
- • Always include the date in cross-Pacific invites — Singapore is typically a full calendar day ahead of Alaska.
- • For a same-day Singapore meeting, schedule late evening or very early morning AKST.
- • Use IANA identifiers America/Anchorage and Asia/Singapore in calendars to handle the DST transitions automatically.