KST to PDT Converter & Meeting Planner
Quick answer: 9:00 AM KST = 5:00 PM PDT (fixed +09:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Korea Standard Time (KST) and Pacific Daylight Time (PDT)? You need to account for the standard time difference. Pacific Daylight Time is normally 16 hours behind Korea Standard Time. Whether you are coordinating between teams in Seoul and Busan and Los Angeles and San Francisco, 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 KST = 8:00 AM PDT. The full 24-hour KST to PDT table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM KST = 11:00 PM PDT (-1 day).
| KST Time | PDT Time |
|---|---|
| 12:00 AM (00:00) | 8:00 AM (08:00)-1 day |
| 1:00 AM (01:00) | 9:00 AM (09:00)-1 day |
| 2:00 AM (02:00) | 10:00 AM (10:00)-1 day |
| 3:00 AM (03:00) | 11:00 AM (11:00)-1 day |
| 4:00 AM (04:00) | 12:00 PM (12:00)-1 day |
| 5:00 AM (05:00) | 1:00 PM (13:00)-1 day |
| 6:00 AM (06:00) | 2:00 PM (14:00)-1 day |
| 7:00 AM (07:00) | 3:00 PM (15:00)-1 day |
| 8:00 AM (08:00) | 4:00 PM (16:00)-1 day |
| 9:00 AM (09:00) | 5:00 PM (17:00)-1 day |
| 10:00 AM (10:00) | 6:00 PM (18:00)-1 day |
| 11:00 AM (11:00) | 7:00 PM (19:00)-1 day |
| 12:00 PM (12:00) | 8:00 PM (20:00)-1 day |
| 1:00 PM (13:00) | 9:00 PM (21:00)-1 day |
| 2:00 PM (14:00) | 10:00 PM (22:00)-1 day |
| 3:00 PM (15:00) | 11:00 PM (23:00)-1 day |
| 4:00 PM (16:00) | 12:00 AM (00:00) |
| 5:00 PM (17:00) | 1:00 AM (01:00) |
| 6:00 PM (18:00) | 2:00 AM (02:00) |
| 7:00 PM (19:00) | 3:00 AM (03:00) |
| 8:00 PM (20:00) | 4:00 AM (04:00) |
| 9:00 PM (21:00) | 5:00 AM (05:00) |
| 10:00 PM (22:00) | 6:00 AM (06:00) |
| 11:00 PM (23:00) | 7:00 AM (07:00) |
Best time to call Los Angeles from Seoul
For most work calls, compare the normal business day in Seoul (KST) with the business day in Los Angeles (PDT). KST commonly covers East Asia, while PDT is mainly associated with 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 9:00 AM - 10:00 AM KST, which corresponds to 5:00 PM - 6:00 PM PDT. This window sits inside the typical KST workday (9:00 AM - 6:00 PM) and the PDT workday (9:00 AM - 6:00 PM).
- DST Safety: KST or PDT may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Korea Exchange (KRX): 09:00-15:30 local time in Seoul.
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Frequently Asked Questions
What is the time difference between KST and PDT?
During standard time, Pacific Daylight Time is 16 hours behind Korea Standard Time.
Does South Korea observe Daylight Saving Time?
South Korea does not observe Daylight Saving Time and has not done so since 1988, when DST was discontinued following the Seoul Summer Olympics. KST remains fixed at UTC+9:00 every day of the year, meaning the offset between Seoul and any DST-observing country shifts by one hour twice annually when those countries change their clocks.
Are KST and JST the same?
Yes, Korea Standard Time (KST) and Japan Standard Time (JST) share the identical UTC+9:00 offset, and neither country observes Daylight Saving Time. Seoul and Tokyo run on exactly the same clock year-round, which directly supports the deep semiconductor, automotive, and consumer electronics supply chain integration between the two economies.
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.