PST vs KST Time Difference

PST (Pacific Standard Time, UTC-8) and KST (Korea Standard Time, UTC+9) are 17 hours apart, with Korea Standard Time 17 hours ahead of Pacific Standard Time.

Looking for Pitcairn Standard Time? See /time-converter/pst-pitcairn-time-zone.

How to Find the Time Difference Between PST and KST

1. Open the PST vs KST converter: Go to https://www.xconvert.com/time-converter/pst-vs-kst to see Pacific Standard Time and Korea Standard Time lined up in the comparison grid. This view is useful when you are scheduling a video call between West Coast teams in the United States or Canada and partners, suppliers, or game publishing teams in South Korea, where the workday lands on the next calendar day.

2. Add comparison cities: Click + Add City and search for cities that matter to your workflow, such as Los Angeles or Vancouver for Pacific Standard Time and Seoul for Korea Standard Time. This helps remote teams in software, e-commerce, electronics, and logistics compare Pacific Standard Time against Korea Standard Time alongside the specific business hubs they work with every day.

3. Drag to select a meeting window: Click Select if needed, then drag across the colored timeline to highlight a range in purple, such as 9:00 PST to 12:00 PST, which corresponds to 2:00 KST to 5:00 KST the next day. You can drag the center of the selection to test another option or pull the left and right handles to resize it, which is useful when deciding whether a late-afternoon Pacific Standard Time handoff like 15:00 PST = 8:00 KST (next day) is better for a Korea-based morning team.

4. Export and share the chosen time: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That makes it easy to send a confirmed cross-border meeting slot to a distributed team, add a supplier call to calendars automatically, or share a link with clients so everyone sees the same Pacific Standard Time to Korea Standard Time overlap.

PST vs KST Offset Explained

Pacific Standard Time is UTC-8, while Korea Standard Time is UTC+9. The fixed difference on this page is 17 hours, so Korea Standard Time is 17 hours ahead of Pacific Standard Time, and Pacific Standard Time is 17 hours behind Korea Standard Time.

This gap has a practical effect on scheduling because most normal business hours in Pacific Standard Time map to the next day in Korea Standard Time. For example, 9:00 PST = 2:00 KST (next day), 12:00 PST = 5:00 KST (next day), 15:00 PST = 8:00 KST (next day), and 18:00 PST = 11:00 KST (next day), which means afternoon work on the U.S. or Canadian Pacific coast often reaches Korea in the following morning.

Seasonal planning matters because Pacific Standard Time is a standard-time abbreviation and its DST counterpart is PDT, while Korea Standard Time does not observe DST. In real-world coordination, that means teams working with South Korea need to pay close attention to whether a Pacific-based office is specifically operating on Pacific Standard Time or has shifted to Pacific Daylight Time, especially for recurring meetings, support coverage, manufacturing updates, and overnight handoffs.

Frequently Asked Questions

What is the time difference between Pacific Standard Time and Korea Standard Time?

Pacific Standard Time and Korea Standard Time are 17 hours apart. Korea Standard Time is 17 hours ahead of Pacific Standard Time, so when a team in Pacific Standard Time starts work in the morning, colleagues in Korea are already in the next calendar day.

Is KST ahead of PST or behind it?

Korea Standard Time is ahead of Pacific Standard Time by 17 hours. That next-day jump is important for customer support, software deployment windows, and international vendor coordination because a same-day afternoon in Pacific Standard Time can already be the following morning in Korea.

Why does PST to KST usually fall on the next day?

The reason is the large fixed offset between the two zones: Pacific Standard Time is UTC-8 and Korea Standard Time is UTC+9. With Korea Standard Time 17 hours ahead, common Pacific Standard Time business hours convert into the next day in Korea, such as 12:00 PST = 5:00 KST (next day) and 18:00 PST = 11:00 KST (next day).

Does Korea Standard Time observe daylight saving time?

No, Korea Standard Time does not observe daylight saving time. That makes Korea’s clock stable year-round, while Pacific Standard Time has a daylight-saving counterpart called PDT, so anyone arranging recurring meetings should confirm whether the Pacific-side schedule is specifically in Pacific Standard Time.

What are some common PST to KST conversion examples?

Several useful reference points are built into this comparison: 9:00 PST = 2:00 KST (next day), 12:00 PST = 5:00 KST (next day), 15:00 PST = 8:00 KST (next day), and 18:00 PST = 11:00 KST (next day). These examples are especially helpful for planning engineering standups, export logistics calls, gaming operations meetings, or retail sourcing discussions between Pacific coast teams and Korea-based counterparts.

Which countries use Pacific Standard Time and Korea Standard Time?

Pacific Standard Time is used in Canada, Mexico, and the United States, while Korea Standard Time is used in North Korea and South Korea. This makes the comparison relevant for North American trade, travel planning, and remote work involving Korean manufacturers, technology firms, entertainment companies, and regional partners.

Is PST Pacific Standard Time or Pitcairn Standard Time?

On this page, PST means Pacific Standard Time (UTC-8). PST can also refer to Pitcairn Standard Time (UTC-8), and if you need that meaning instead, use /time-converter/pst-pitcairn-time-zone.