PST to UTC to Shanghai to CST Asia Time Converter

Updating current time…
PST
Pacific Standard Time
UTC−8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
Coordinated Universal Time
UTC+0
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Shanghai
ChinaCST
UTC+8
16h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
China Standard Time
UTC+8
16h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 PST (UTC-8), Nov 15, 2026 = 12:00 pm12:00 UTC (UTC+0), Nov 15, 2026 = 8:00 pm20:00 CST (UTC+8), Nov 15, 2026 = 8:00 pm20:00 CST (UTC+8), Nov 15, 2026

PST is 8 hours behind UTC. PST is 16 hours behind Shanghai. PST is 16 hours behind CST.

How the time difference changes

PST to UTC

For most of the year, PDT is 7 hours behind UTC. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PST is 8 hours behind UTC.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 4:00 pm to 1:00 am (next day) in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 5:00 pm to 2:00 am (next day) in UTC.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 16:00 to 01:00 (next day) in UTC. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 17:00 to 02:00 (next day) in UTC.

PST to Shanghai

For most of the year, PDT is 15 hours behind Shanghai. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PST is 16 hours behind Shanghai.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 am (next day) to 9:00 am (next day) in Shanghai. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 1:00 am (next day) to 10:00 am (next day) in Shanghai.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 00:00 (next day) to 09:00 (next day) in Shanghai. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 01:00 (next day) to 10:00 (next day) in Shanghai.

PST to CST Asia

For most of the year, PDT is 15 hours behind CST Asia. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PST is 16 hours behind CST Asia.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 am (next day) to 9:00 am (next day) in CST Asia. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 1:00 am (next day) to 10:00 am (next day) in CST Asia.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 00:00 (next day) to 09:00 (next day) in CST Asia. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 01:00 (next day) to 10:00 (next day) in CST Asia.

Compare PST time with UTC, Shanghai, and CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Standard Time is 8 hours behind Coordinated Universal Time. Pacific Standard Time is 16 hours behind CST (China Standard Time). Pacific Standard Time is 16 hours behind China Standard Time.
4:00 am04:00 in PST is 12:00 pm12:00 in UTC and is 8:00 pm20:00 in Shanghai, China and is 8:00 pm20:00 in CST

PST to UTC call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in PST which corresponds to 5pm-6pm17:00-18:00 in UTC.
PST to Shanghai call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in PST which corresponds to 9am-10am09:00-10:00 in Shanghai (next day).
PST to CST call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in PST which corresponds to 9am-10am09:00-10:00 in CST (next day).

4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
8:00 pm20:00 China Standard Time (CST). Offset UTC +8:00 hours

4:00 am04:00 PST / 12:00 pm12:00 UTC / 8:00 pm20:00 Shanghai, China / 8:00 pm20:00 CST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
PSTUTCShanghai, ChinaCST
8:00am4:00pm4:00pm
9:00am5:00pm5:00pm
10:00am6:00pm6:00pm
11:00am7:00pm7:00pm
12:00pm8:00pm8:00pm
1:00pm9:00pm9:00pm
2:00pm10:00pm10:00pm
3:00pm11:00pm11:00pm
4:00pm12:00am next day12:00am next day
5:00pm1:00am next day1:00am next day
6:00pm2:00am next day2:00am next day
7:00pm3:00am next day3:00am next day
8:00pm4:00am next day4:00am next day
9:00pm5:00am next day5:00am next day
10:00pm6:00am next day6:00am next day
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1:00am next day9:00am next day9:00am next day
2:00am next day10:00am next day10:00am next day
3:00am next day11:00am next day11:00am next day
4:00am next day12:00pm next day12:00pm next day
5:00am next day1:00pm next day1:00pm next day
6:00am next day2:00pm next day2:00pm next day
7:00am next day3:00pm next day3:00pm next day
08:0016:0016:00
09:0017:0017:00
10:0018:0018:00
11:0019:0019:00
12:0020:0020:00
13:0021:0021:00
14:0022:0022:00
15:0023:0023:00
16:0000:00 next day00:00 next day
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00:00 next day08:00 next day08:00 next day
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06:00 next day14:00 next day14:00 next day
07:00 next day15:00 next day15:00 next day

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today all shaded areas are on PST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112Start: Pacific Standard Time (PST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC−1.

Open the world time zone map© OpenStreetMap

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Shanghai Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – China Standard Time, UTC+8 (no daylight saving time)

Shanghai Facts

Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
24,874,500
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86
More About Shanghai
Shanghai local time and city facts

China Standard Time

Offset: CST is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: China, Macao, Taiwan

Principal Cities: The largest city in the CST time zone is Shanghai in China, with about 24.875 million people. Other major cities in this time zone include Beijing, Shenzhen, Guangzhou, Chengdu.

Daylight Saving: Clocks in China Standard Time (CST) do not change for daylight saving time, so CST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on China Standard Time (CST)
CST all year

Open the world time zone map© OpenStreetMap

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for CST
  • H - short form of 'Hotel'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Chongqing
  • Asia/Chungking
  • Asia/Harbin
  • Asia/Macao
  • Asia/Macau
  • Asia/Shanghai
  • Asia/Taipei
  • PRC
  • ROC
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time