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IRKT/IRKST
Irkutsk Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IRKST is not used on this date
This converter uses IRKT (GMT +8), the offset Irkutsk uses on this date. Open the IRKT converter.
PT
Pacific Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

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How the time difference changes

For most of the year, IRKT is 15 hours ahead of PT. At other times of the year, IRKT is 16 hours ahead of PT.

For most of the year, working hours of 9:00 am to 5:00 pm in IRKT correspond to 6:00 pm (previous day) to 2:00 am in PT. At other times of the year, working hours of 9:00 am to 5:00 pm in IRKT correspond to 5:00 pm (previous day) to 1:00 am 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 16 hours ahead of Pacific Time
8:00 pm20:00 in IRKT is 4:00 am04:00 in PT

IRKT to PT call time
Best time for a conference call or a meeting is between 8:30am-9:30am in IRKT which corresponds to 4:30pm-5:30pm in PT (previous day)

8:00 pm20:00 Irkutsk Time (IRKT). Offset UTC +8:00 hours
4:00 am04:00 Pacific Time (PT). Offset UTC -8:00 hours

8:00 pm20:00 IRKT / 4:00 am04:00 PT

IRKTPT
12am (midnight)8am
1am9am
2am10am
3am11am
4am12pm (noon)
5am1pm
6am2pm
7am3pm
8am4pm
9am5pm
10am6pm
11am7pm
12pm (noon)8pm
1pm9pm
2pm10pm
3pm11pm
4pm12am (midnight)
5pm1am
6pm2am
7pm3am
8pm4am
9pm5am
10pm6am
11pm7am
00:0008:00
01:0009:00
02:0010:00
03:0011:00
04:0012:00
05:0013:00
06:0014:00
07:0015:00
08:0016:00
09:0017:00
10:0018:00
11:0019:00
12:0020:00
13:0021:00
14:0022:00
15:0023:00
16:0000:00
17:0001:00
18:0002:00
19:0003:00
20:0004:00
21:0005:00
22:0006:00
23:0007:00

Irkutsk Summer Time

Offset: IRKST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

IRKST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for IRKST
  • I - short form of 'India'
Time zones with the GMT +9 offset:
  • 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 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