PT to IRKST Converter
IRKST is not used on this date.
This converter uses IRKT (UTC+8), as in Irkutsk.
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 17, 2026 = 8:00 pm20:00 IRKT (UTC+8), Oct 17, 2026
PDT is 15 hours behind IRKT.
How the time difference changes
For most of the year, PT is 15 hours behind IRKT. From Nov 1, 2026 to Mar 14, 2027, PT is 16 hours behind IRKT.
For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 12:00 am (next day) to 9:00 am (next day) in IRKT. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 1:00 am (next day) to 10:00 am (next day) in IRKT.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 00:00 (next day) to 09:00 (next day) in IRKT. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 01:00 (next day) to 10:00 (next day) in IRKT.
Compare PT time with IRKST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Daylight Time is 15 hours behind Irkutsk Time.
5:00 am05:00 in PDT is 8:00 pm20:00 in IRKT
PDT to IRKT call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in PDT which corresponds to 8:30am-9:30am08:30-09:30 in IRKT (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 pm20:00 Irkutsk Time (IRKT). Offset UTC +8:00 hours
5:00 am05:00 PDT / 8:00 pm20:00 IRKT
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.
| PT | IRKT |
|---|---|
| 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 | |
| 5:00am next day | |
| 6:00am next day | |
| 7:00am next day | |
| 8:00am next day | |
| 9:00am next day | |
| 10:00am next day | |
| 11:00am next day | |
| 12:00pm next day | |
| 1:00pm next day | |
| 2:00pm next day | |
| 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 | |
| 05:00 next day | |
| 06:00 next day | |
| 07:00 next day | |
| 08:00 next day | |
| 09:00 next day | |
| 10:00 next day | |
| 11:00 next day | |
| 12:00 next day | |
| 13:00 next day | |
| 14:00 next day |
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
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
