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PST
Pacific Standard Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CLST/CLT
Chile Summer Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CLT is not used on this date
This converter uses CLST (GMT -3), the offset Santiago uses on this date. Open the CLST converter.

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

PST and CLT examples

These examples always use PST (UTC-8) and CLT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

PST is 4 hours behind CLT.

PST uses UTC-8 during standard time. For Pacific Time that follows daylight saving time, use PT to CLT. For daylight-time examples, use PDT to CLT.

How the time difference changes

Depending on seasonal clock changes, PDT is 3 hours behind CLT, PDT is 4 hours behind CLST, or PST is 5 hours behind CLST.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in PDT correspond to 12:00 pm to 8:00 pm in CLT, working hours of 9:00 am to 5:00 pm in PDT correspond to 1:00 pm to 9:00 pm in CLST, or working hours of 9:00 am to 5:00 pm in PST correspond to 2:00 pm to 10:00 pm in CLST.

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

Time Difference

Pacific Standard Time is 5 hours behind Chile Summer Time
4:00 am04:00 in PST is 9:00 am09:00 in CLST

PST to CLST call time
Best time for a conference call or a meeting is between 9am-12pm in PST which corresponds to 2pm-5pm in CLST

4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours

4:00 am04:00 PST / 9:00 am09:00 CLST

PSTCLST
12am (midnight)5am
1am6am
2am7am
3am8am
4am9am
5am10am
6am11am
7am12pm (noon)
8am1pm
9am2pm
10am3pm
11am4pm
12pm (noon)5pm
1pm6pm
2pm7pm
3pm8pm
4pm9pm
5pm10pm
6pm11pm
7pm12am (midnight)
8pm1am
9pm2am
10pm3am
11pm4am
00:0005:00
01:0006:00
02:0007:00
03:0008:00
04:0009:00
05:0010:00
06:0011:00
07:0012:00
08:0013:00
09:0014:00
10:0015:00
11:0016:00
12:0017:00
13:0018:00
14:0019:00
15:0020:00
16:0021:00
17:0022:00
18:0023:00
19:0000:00
20:0001:00
21:0002:00
22:0003:00
23:0004:00

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, 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

PST Time Zone Geo Map
PST timezone map

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).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Standard Time (PST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

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

Chile Standard Time

Offset: CLT is 4 hours behind Greenwich Mean Time (GMT) and is used in South America

CLT Time Zone Geo Map
CLT timezone map

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

Daylight saving time clock moves forward for one hour from 12am to 1amEnd: Chile Standard Time (CLT) ended on Sunday, September 7, 2025 at 12:00 am local time and clocks were set one hour forward to Sunday, September 7, 2025, 1:00 am local daylight time instead. Standard time ends annually on the first Sunday of September.

Daylight saving time clock moves back for one hour from 12am to 11pmStart: Chile Standard Time (CLT) starts on Sunday, April 5, 2026 at 12:00 am local time and clocks are set one hour back to Saturday, April 4, 2026, 11:00 pm. Standard time starts annually on the first Sunday of April.

CLT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for CLT
  • Q - short form of 'Quebec'
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time