IRKST to PT Converter
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8:00 pm20:00 IRKT (UTC+8), Oct 17, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 17, 2026
IRKT is 15 hours ahead of PDT.
How the time difference changes
For most of the year, IRKT is 15 hours ahead of PT. From Nov 1, 2026 to Mar 14, 2027, IRKT is 16 hours ahead of PT.
For most of the year, working hours of 9:00 am to 6:00 pm in IRKT correspond to 6:00 pm (previous day) to 3:00 am in PT. At other times of the year, working hours of 9:00 am to 6:00 pm in IRKT correspond to 5:00 pm (previous day) to 2:00 am in PT.For most of the year, working hours of 09:00 to 18:00 in IRKT correspond to 18:00 (previous day) to 03:00 in PT. At other times of the year, working hours of 09:00 to 18:00 in IRKT correspond to 17:00 (previous day) to 02:00 in PT.
Compare IRKST time with PT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Irkutsk Time is 15 hours ahead of Pacific Daylight Time.
8:00 pm20:00 in IRKT is 5:00 am05:00 in PDT
IRKT to PDT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in IRKT which corresponds to 5:30pm-6:30pm17:30-18:30 in PDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
8:00 pm20:00 Irkutsk Time (IRKT). Offset UTC +8:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 pm20:00 IRKT / 5:00 am05:00 PDT
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.
| IRKT | PT |
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Irkutsk Summer Time
Offset: IRKST is 9 hours ahead of Greenwich Mean Time (GMT).
IRKST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for IRKST
- I - short form of 'India'
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk 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 North America. 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 United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.
Countries using this time zone: 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
- -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 PT
- U - short form of 'Uniform'
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone