HST to PDT 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
2:00 am02:00 HST (UTC-10), Oct 17, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 17, 2026
HST is 3 hours behind PDT.
HST and PDT examples
These examples always use HST (UTC-10) and PDT (UTC-7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HST is 3 hours behind PDT.
How the time difference changes
For most of the year, HST is 3 hours behind PDT. From Nov 1, 2026 to Mar 14, 2027, HST is 2 hours behind PST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 12:00 pm to 9:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 11:00 am to 8:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 12:00 to 21:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 11:00 to 20:00 in PST.
Compare HST time with PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 3 hours behind Pacific Daylight Time.
2:00 am02:00 in HST is 5:00 am05:00 in PDT
HST to PDT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in HST which corresponds to 12pm-6pm12:00-18:00 in PDT
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
2:00 am02:00 HST / 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.
| HST | PDT |
|---|---|
| 3:00am | |
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| 5:00am | |
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| 03:00 | |
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| 02:00 next day |
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today the lighter areas are on UTC−9 (HDT).
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 an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Today all shaded areas are on PDT.
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started 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. Daylight saving starts annually on the second Sunday of March.
End: Pacific Daylight Time (PDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone