PDT to HST Converter & Meeting Planner
Quick answer: 9:00 AM PDT = 6:00 AM HST (fixed -07:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Pacific Daylight Time (PDT) and Hawaii-Aleutian Standard Time (HST)? You need to account for the standard time difference. Hawaii-Aleutian Standard Time is normally 3 hours behind Pacific Daylight Time. Whether you are coordinating between teams in Los Angeles and San Francisco and Honolulu and Hilo, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM PDT = 9:00 PM HST. The full 24-hour PDT to HST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM PDT = 12:00 PM HST.
| PDT Time | HST Time |
|---|---|
| 12:00 AM (00:00) | 9:00 PM (21:00)-1 day |
| 1:00 AM (01:00) | 10:00 PM (22:00)-1 day |
| 2:00 AM (02:00) | 11:00 PM (23:00)-1 day |
| 3:00 AM (03:00) | 12:00 AM (00:00) |
| 4:00 AM (04:00) | 1:00 AM (01:00) |
| 5:00 AM (05:00) | 2:00 AM (02:00) |
| 6:00 AM (06:00) | 3:00 AM (03:00) |
| 7:00 AM (07:00) | 4:00 AM (04:00) |
| 8:00 AM (08:00) | 5:00 AM (05:00) |
| 9:00 AM (09:00) | 6:00 AM (06:00) |
| 10:00 AM (10:00) | 7:00 AM (07:00) |
| 11:00 AM (11:00) | 8:00 AM (08:00) |
| 12:00 PM (12:00) | 9:00 AM (09:00) |
| 1:00 PM (13:00) | 10:00 AM (10:00) |
| 2:00 PM (14:00) | 11:00 AM (11:00) |
| 3:00 PM (15:00) | 12:00 PM (12:00) |
| 4:00 PM (16:00) | 1:00 PM (13:00) |
| 5:00 PM (17:00) | 2:00 PM (14:00) |
| 6:00 PM (18:00) | 3:00 PM (15:00) |
| 7:00 PM (19:00) | 4:00 PM (16:00) |
| 8:00 PM (20:00) | 5:00 PM (17:00) |
| 9:00 PM (21:00) | 6:00 PM (18:00) |
| 10:00 PM (22:00) | 7:00 PM (19:00) |
| 11:00 PM (23:00) | 8:00 PM (20:00) |
Best time to call Honolulu from Los Angeles
For most work calls, compare the normal business day in Los Angeles (PDT) with the business day in Honolulu (HST). PDT commonly covers North America, while HST is mainly associated with Pacific Ocean, North America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 12:00 PM - 6:00 PM PDT, which corresponds to 9:00 AM - 3:00 PM HST. This window sits inside the typical PDT workday (9:00 AM - 6:00 PM) and the HST workday (9:00 AM - 5:00 PM).
- DST Safety: PDT or HST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
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Frequently Asked Questions
What is the time difference between PDT and HST?
During standard time, Hawaii-Aleutian Standard Time is 3 hours behind Pacific Daylight Time.
When does PDT start and end?
PDT begins on the second Sunday in March at 02:00 local time, when clocks spring forward one hour from PST (UTC-8) to PDT (UTC-7). It ends on the first Sunday in November at 02:00 local time, when clocks fall back to PST. In 2026, PDT runs from March 8 through November 1 — covering the majority of the calendar year.
Is PDT the same as PST?
PDT and PST are two phases of the same Pacific Time zone, not two separate zones. PST (Pacific Standard Time) is the winter offset at UTC-8, observed from early November through mid-March. PDT (Pacific Daylight Time) is the summer offset at UTC-7, active during Daylight Saving Time — meaning Los Angeles, Seattle, and Vancouver run one hour ahead of their winter clock for approximately eight months of every year.
Does Hawaii observe Daylight Saving Time?
Hawaii does not observe Daylight Saving Time and has not done so since 1947, remaining fixed at UTC-10:00 year-round. At roughly 20° North latitude, Hawaii's daylight hours vary by only about 1.5 hours between the summer and winter solstices — far too little to justify the disruption of a seasonal clock change.
Why is it called Hawaii-Aleutian time?
The name combines two geographically distant US territories that share the same UTC-10:00 standard offset: the Hawaiian Islands in the central Pacific and the westernmost Aleutian Islands of Alaska, which extend past the 180° meridian into the Eastern Hemisphere. Despite sharing a base offset, they behave differently — Hawaii observes no DST, while the Aleutian communities such as Adak do advance to HDT (UTC-9) each summer.