PST to O Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:00 am05:00 PDT (UTC-7), Oct 18, 2026 = 10:00 am10:00 O (UTC-2), Oct 18, 2026
PDT is 5 hours behind O.
PST (US winter time, UTC-8) and O examples
These examples always use PST (UTC-8) and O (UTC-2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
PST is 6 hours behind O.
PST is US Pacific winter time (early November to mid-March). The rest of the year Los Angeles uses PDT (UTC-7), one hour later. For Pacific Time that follows daylight saving time, use PT to O. For daylight-time examples, use PDT to O.
How the time difference changes
For most of the year, PDT is 5 hours behind O. From Nov 1, 2026 to Mar 14, 2027, PST is 6 hours behind O.
For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 2:00 pm to 11:00 pm in O. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 3:00 pm to 12:00 am (next day) in O.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 14:00 to 23:00 in O. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 15:00 to 00:00 (next day) in O.
Compare PST time with O time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Daylight Time is 5 hours behind Oscar Time Zone.
5:00 am05:00 in PDT is 10:00 am10:00 in O
PDT to O call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in PDT which corresponds to 2pm-6pm14:00-18:00 in O
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
10:00 am10:00 Oscar Time Zone (O). Offset UTC -2:00 hours
5:00 am05:00 PDT / 10:00 am10:00 O
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.
| PDT | O |
|---|---|
| 5:00am | |
| 6:00am | |
| 7:00am | |
| 8:00am | |
| 9:00am | |
| 10:00am | |
| 11:00am | |
| 12:00pm | |
| 1:00pm | |
| 2:00pm | |
| 3:00pm | |
| 4:00pm | |
| 5:00pm | |
| 6:00pm | |
| 7:00pm | |
| 8:00pm | |
| 9:00pm | |
| 10:00pm | |
| 11:00pm | |
| 12:00am next day | |
| 1:00am next day | |
| 2:00am next day | |
| 3:00am next day | |
| 4:00am next day | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
| 10:00 | |
| 11:00 | |
| 12:00 | |
| 13:00 | |
| 14:00 | |
| 15:00 | |
| 16:00 | |
| 17:00 | |
| 18:00 | |
| 19:00 | |
| 20:00 | |
| 21:00 | |
| 22:00 | |
| 23:00 | |
| 00:00 next day | |
| 01:00 next day | |
| 02:00 next day | |
| 03:00 next day | |
| 04:00 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
Today the shaded areas are on UTC−7 (PDT).
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).
End: Pacific Standard Time (PST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -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.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- 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).
Countries using this time zone: Brazil, Greenland, Saint Pierre and Miquelon, South Georgia and the South Sandwich Islands
Principal Cities: The largest city in the O time zone is Nuuk in Greenland, with about 14,798 people. Other major cities in this time zone include Saint-Pierre, Sisimiut, Ilulissat, Qaqortoq.
Daylight Saving: Some places on Oscar Time Zone (O) keep the same time all year, while others use O for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today some of the lighter areas are on UTC−1.
O representations, usage and related time zones
- -02 - basic short
- -0200 - basic
- -02:00 - extended
- -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.
- Oscar - Military abbreviation for O
- O - short form of 'Oscar'
- 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