Hawaii Standard Time is 10 hours behind of Universal Time Coordinated
3:00 pm15:00 in HST is 1:00 am01:00 in UTC
HST to UTC call time
Best time for a conference call or a meeting is between 8am-10am in HST which corresponds to 6pm-8pm in UTC
3:00 pm15:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
1:00 am01:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
3:00 pm15:00 HST / 1:00 am01:00 UTC
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: United States
Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu
Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Hawaii Daylight Time (HDT).
End: HST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
Start: HST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.
HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
- GMT - GMT