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PT
Pacific Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
O
Oscar Time Zone
GMT -2
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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How the time difference changes

For most of the year, PT is 5 hours behind O. At other times of the year, PT is 6 hours behind O.

For most of the year, working hours of 9:00 am to 5:00 pm in PT correspond to 2:00 pm to 10:00 pm in O. At other times of the year, working hours of 9:00 am to 5:00 pm in PT correspond to 3:00 pm to 11:00 pm in O.

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

Time Difference

Pacific Time is 6 hours behind Oscar Time Zone
4:00 am04:00 in PT is 10:00 am10:00 in O

PT to O call time
Best time for a conference call or a meeting is between 9am-11am in PT which corresponds to 3pm-5pm in O

4:00 am04:00 Pacific Time (PT). Offset UTC -8:00 hours
10:00 am10:00 Oscar Time Zone (O). Offset UTC -2:00 hours

4:00 am04:00 PT / 10:00 am10:00 O

PTO
12am (midnight)6am
1am7am
2am8am
3am9am
4am10am
5am11am
6am12pm (noon)
7am1pm
8am2pm
9am3pm
10am4pm
11am5pm
12pm (noon)6pm
1pm7pm
2pm8pm
3pm9pm
4pm10pm
5pm11pm
6pm12am (midnight)
7pm1am
8pm2am
9pm3am
10pm4am
11pm5am
00:0006:00
01:0007:00
02:0008:00
03:0009:00
04:0010:00
05:0011:00
06:0012:00
07:0013:00
08:0014:00
09:0015:00
10:0016:00
11:0017:00
12:0018:00
13:0019:00
14:0020:00
15:0021:00
16:0022:00
17:0023:00
18:0000:00
19:0001:00
20:0002:00
21:0003:00
22:0004:00
23:0005:00

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 PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include Vancouver, Tijuana, San Diego, 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

Oscar Time Zone

Offset: O is 2 hours behind Greenwich Mean Time (GMT) and is used in Military

Daylight Saving: Clocks in Oscar Time Zone (O) do not change for daylight saving time, so O stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

O representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -02 - basic short
  • -0200 - basic
  • -02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Oscar - Military abbreviation for O
  • O - short form of 'Oscar'
Time zones with the GMT -2 offset:
  • PMDT - Pierre & Miquelon Daylight Time
  • WGT - West Greenland Time
  • BRST - Brasilia Summer Time
  • FNT - Fernando de Noronha Time
  • O - Oscar Time Zone
  • UYST - Uruguay Summer Time