PST to HKT Converter
Convert time between Pacific Standard Time (PST) and Hong Kong Time (HKT)
Pacific Standard Time (PST)
Hong Kong Time (HKT)
Time Difference
Hong Kong Time (HKT) is 0 hours ahead of Pacific Standard Time (PST)
Select Date
Select Time
Quick Reference
| PST | HKT |
|---|---|
| 19:00 | 10:00 |
| 21:00 | 12:00 |
| 23:00 | 14:00 |
| 01:00 | 16:00 |
| 03:00 | 18:00 |
| 05:00 | 20:00 |
| 07:00 | 22:00 |
| 09:00 | 00:00 |
| 11:00 | 02:00 |
| 13:00 | 04:00 |
| 15:00 | 06:00 |
| 17:00 | 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 PST to HKT Time Conversion
Converting time between Pacific Standard Time (PST) and Hong Kong Time (HKT) is a 16-hour calculation during US winter, when the Pacific zone is on standard time. PST is UTC-8, while HKT is UTC+8 year-round, so Hong Kong is 16 hours ahead of Los Angeles, San Francisco, Seattle and Vancouver from early November to mid-March. In US summer, the zone shifts to PDT (UTC-7) and the gap narrows to 15 hours.
This time zone converter uses the IANA timezone database (America/Los_Angeles and Asia/Hong_Kong) for accurate calculations. Hong Kong does not observe daylight saving, so only the US side shifts. With a 16-hour gap, US West Coast daytime maps to the early hours of the next day in Hong Kong. Whether you are scheduling LA to Hong Kong winter calls, coordinating with Silicon Valley teams or planning travel, the converter handles DST automatically.
Common Use Cases for PST to HKT Conversion
Business & Work
- Scheduling calls between Los Angeles, San Francisco or Seattle and Hong Kong in winter
- Coordinating tech, finance and entertainment workflows across the Pacific
- Planning conference calls with Hong Kong partners from Silicon Valley during US standard time
Personal & Travel
- Planning travel from the US West Coast or Vancouver to Hong Kong in winter
- Coordinating with family and friends in Hong Kong from California, Oregon or Washington
- Scheduling virtual events with Hong Kong contacts during standard time
Time Zone Information
Pacific Standard Time (PST)
- UTC Offset: UTC-8 (UTC-7 PDT in summer)
- IANA Timezone: America/Los_Angeles
- Daylight Saving: First Sunday in November to Second Sunday in March (US on standard time)
- Major Cities: Los Angeles, San Francisco, San Diego, Seattle, Portland, Vancouver
- Coverage: US West Coast and parts of western Canada
Hong Kong Time (HKT)
- UTC Offset: UTC+8
- IANA Timezone: Asia/Hong_Kong
- Daylight Saving: No daylight saving time (consistent year-round)
- Major Cities: Hong Kong, Kowloon, Tsuen Wan, Yuen Long
- Coverage: Hong Kong Special Administrative Region
Quick Reference: PST to HKT
Remember: HKT is 16 hours ahead of PST during US winter. US West Coast daytime falls on the next calendar day in Hong Kong — always label the date. In summer, PDT (UTC-7) narrows the gap to 15 hours.
Frequently Asked Questions
What is the time difference between PST and HKT?
Pacific Standard Time (PST) is UTC-8, while Hong Kong Time (HKT) is UTC+8. HKT is 16 hours ahead of PST during US winter. When it is 12:00 PM in Los Angeles, it is 4:00 AM the next day in Hong Kong.
When does PST apply?
PST runs from the first Sunday in November to the second Sunday in March across the US West Coast and parts of western Canada. The rest of the year the region is on PDT (UTC-7) and the gap to HKT shrinks to 15 hours.
Does Hong Kong observe daylight saving time?
No. Hong Kong stays on HKT (UTC+8) year-round and does not observe daylight saving time. All variation in the PST-HKT offset comes from the US side.
What are the best times for PST-HKT business calls?
The overlap is narrow. US West Coast late afternoon (3:00 to 5:00 PM PST) maps to Hong Kong early morning (7:00 to 9:00 AM HKT next day). Alternatively, US West Coast early morning (5:00 to 7:00 AM PST) lines up with Hong Kong evening (9:00 to 11:00 PM HKT same day).
Which countries or regions use PST?
PST covers the US West Coast (California, Oregon, Washington, Nevada) and parts of western Canada (British Columbia, Yukon) during winter months. Major cities include Los Angeles, San Francisco, San Diego, Seattle, Portland and Vancouver.
Which countries or regions use HKT?
Hong Kong Time is used in the Hong Kong Special Administrative Region. The same UTC+8 offset is shared with mainland China (CST), Taiwan, Singapore (SGT), the Philippines (PHT) and Western Australia (AWST), so many East Asian and ASEAN partners read the same clock.
Pro Tips
- • HKT is 16 hours ahead of PST — add 16 hours to Los Angeles, San Francisco or Seattle winter time and roll the date forward.
- • US West Coast daytime usually lands on the next calendar day in Hong Kong. Always state the local date explicitly.
- • From March to November the zone switches to PDT and the gap shrinks to 15 hours.
- • Hong Kong never shifts for DST — all variation comes from the US side.
- • The cleanest overlap is US West Coast late afternoon to Hong Kong early morning the next day.
- • Use IANA identifiers America/Los_Angeles and Asia/Hong_Kong in calendars to handle the PST/PDT transitions automatically.