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CST
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PT/PDT
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Quick answers

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8:00 pm20:00 CST (UTC+8), Oct 12, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 12, 2026

CST is 15 hours ahead of PDT.

How the time difference changes

For most of the year, CST Asia is 15 hours ahead of PT. From Nov 1, 2026 to Mar 14, 2027, CST Asia is 16 hours ahead of PT.

For most of the year, working hours of 9:00 am to 5:00 pm in CST Asia correspond to 6:00 pm (previous day) to 2:00 am in PT. At other times of the year, working hours of 9:00 am to 5:00 pm in CST Asia correspond to 5:00 pm (previous day) to 1:00 am in PT.For most of the year, working hours of 09:00 to 17:00 in CST Asia correspond to 18:00 (previous day) to 02:00 in PT. At other times of the year, working hours of 09:00 to 17:00 in CST Asia correspond to 17:00 (previous day) to 01:00 in PT.

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

Time Difference

China Standard Time is 15 hours ahead of Pacific Daylight Time.
8:00 pm20:00 in CST is 5:00 am05:00 in PDT

CST to PDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in CST which corresponds to 5pm-6pm17:00-18:00 in PDT (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

8:00 pm20:00 China Standard Time (CST). Offset UTC +8:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

8:00 pm20:00 CST / 5:00 am05:00 PDT

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Hourly time comparison
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China Standard Time

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

Countries using this time zone: China, Macau, 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.

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

Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.

Countries using this time zone: Canada, Mexico, United States.

Principal Cities: The largest city in the PT 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

PT 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 PT
  • U - short form of 'Uniform'
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