KST to PDT Converter

Category: Time Zone Converters

- July 02, 2025

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Korea Standard Time (KST)

UTC+9 • Seoul, Busan, Incheon

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Pacific Daylight Time (PDT)

UTC-7 • Los Angeles, San Francisco, Vancouver

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (KST): +9

UTC Offset (PDT/PST): -7

DST Status: --

KST Time: --

PDT/PST Time: --

Time Format:

Current KST: --:--:--

Current PDT/PST: --:--:--

🌍 KST is always UTC+9 with no daylight saving changes. PDT is UTC-7 (summer), PST is UTC-8 (winter).

KST to PDT Conversion Guide

What is KST to PDT Conversion?

KST to PDT conversion helps you translate time between Korea Standard Time and Pacific Daylight Time. KST is always UTC+9 throughout the year with no daylight saving changes. PDT is UTC-7 during daylight time (March-November) and PST is UTC-8 during standard time (November-March). KST is consistently 16 hours ahead of PDT and 17 hours ahead of PST, often resulting in date changes across the conversion.

Time Zone Information

Korea Standard Time (KST): UTC+9, used throughout South Korea and North Korea with no daylight saving time adjustments.

Pacific Daylight Time (PDT): UTC-7, used in western United States and Canada during daylight saving time (March to November).

Pacific Standard Time (PST): UTC-8, used during standard time (November to March).

Time Difference: KST is 16 hours ahead of PDT and 17 hours ahead of PST.

Daylight Saving Time Impact

KST Consistency: Korea Standard Time never changes and remains UTC+9 throughout the year

PDT Period: Pacific Daylight Time observed from second Sunday in March to first Sunday in November

PST Period: Pacific Standard Time observed from first Sunday in November to second Sunday in March

Date Changes: Due to the large time difference, dates often change when converting between these zones

Common Conversion Examples

Business Hours (KST to PDT)

KST 9:00 AM → PDT 5:00 PM (previous day)

KST 6:00 PM → PDT 2:00 AM (same day)

Summer time conversion (March-November)

Business Hours (KST to PST)

KST 9:00 AM → PST 4:00 PM (previous day)

KST 6:00 PM → PST 1:00 AM (same day)

Winter time conversion (November-March)

International Meetings

KST 10:00 AM → PDT 6:00 PM (previous day)

KST 11:00 PM → PDT 7:00 AM (same day)

Best overlap for business communication

Gaming & Entertainment

KST 8:00 PM → PDT 4:00 AM (same day)

KST 12:00 AM → PDT 8:00 AM (previous day)

Evening Korea time reaches morning Pacific time

Conversion Tips & Best Practices

• KST never observes daylight saving time - it's always UTC+9

• Pacific Time switches between PST (UTC-8) and PDT (UTC-7) twice yearly

• Subtract 16 hours from KST to get PDT, or 17 hours to get PST

• Pay attention to date changes - Korean morning often becomes Pacific previous evening

• Best meeting times: KST 10 PM - 12 AM for Pacific business hours

• KST covers all of South Korea, North Korea, and parts of eastern Russia

Convert Between KST and PDT

If you've ever tried to schedule a call between Seoul and Los Angeles, you know it’s not always a smooth ride. Time zones shift, daylight saving changes everything, and before you know it, someone’s calling at 3 AM. That’s where this time converter steps in. With just a few clicks, you can find the perfect meeting time between Korea Standard Time (KST) and Pacific Daylight Time (PDT). Below is a quick reference to help understand which countries are tied to each zone:

KST (UTC+9)	PDT / PST (UTC-7 / UTC-8)
🇰🇷 South Korea 🇰🇵 North Korea	🇺🇸 United States (California, Washington, Oregon, Nevada) 🇨🇦 Canada (British Columbia, Yukon) 🇲🇽 Mexico (Baja California)

What This Converter Actually Does

This tool lets you convert any time between Korea Standard Time (KST) and Pacific Time (PDT or PST), depending on the season. Whether you're entering a time in Seoul or San Francisco, it instantly calculates the equivalent across the world. It handles date changes, accounts for daylight saving, and keeps the results precise down to the second.

Why You Might Need This

Time difference between KST and Pacific Time is massive, 16 or 17 hours depending on the month. That means a Monday meeting in Korea could actually be Sunday evening in California. If you’re coordinating with coworkers, friends, or clients across these zones, guessing the time shift is risky. This converter does the math for you and even shows if daylight saving is affecting the output.

How to Use the Converter Step by Step

1. Set the Time and Date

Choose the date and time you want to convert from using the calendar and clock input. By default, the input is in Korea Standard Time, but you can switch it to Pacific Time using the dropdown menu.

2. Pick Your Input Zone

The dropdown lets you select either KST or PDT/PST as your starting point. When you switch it, the titles and labels automatically update so you always know which side you’re working with.

3. Adjust Extra Options

Auto Convert: Converts automatically whenever you change the date or time.
Daylight Saving Aware: Makes sure Pacific Time switches between PDT and PST based on the date.
Show UTC Offset: Displays offset like +9 or -7 beside the zones.
Show Seconds: Adds seconds to the result for ultra-precise planning.

4. Hit Convert

Use the 🔄 button to run the conversion. Or hit the ⌚ button to convert the current time. The ⇄ button swaps the input and output zones, and 🔄 Reset brings everything back to the default settings.

Built-In Features You Might Miss

It Knows When DST Kicks In

If your date falls between March and November, it’ll show PDT instead of PST. The tool automatically detects this and changes the offset behind the scenes.

Live Clock

There’s a running clock under each time zone header that shows the current time in both Korea and Pacific regions. Great for real-time checks without even doing a conversion.

12-Hour and 24-Hour Format

Don’t like AM/PM? Tap the “12 Hour” button to flip to 24-hour time, and it updates across all displays. This is helpful if you’re used to military or European-style timekeeping.

Watch Out for These Common Issues

Leaving fields empty: You’ll need to enter both a date and time for a conversion to work.
Wrong starting zone: Make sure your input zone matches the time you're entering. Swapping zones updates everything, but be mindful of what’s active.
Ignoring the date: Remember, time shifts can change the day entirely. A Monday in Korea can still be Sunday in Pacific Time.

Where This Comes in Handy

Imagine you're running a live webinar from Busan and want it to air at 6 PM in Los Angeles. You punch in 6 PM Pacific, and this tool instantly tells you it’s 10 AM the next day in Korea. No spreadsheets, no timezone charts, just clear conversion that’s reliable and fast.

Make the Gap Between Korea and California Feel Smaller

This converter is all about making things easier. Whether it’s work meetings, online classes, or gaming with friends, knowing the right time makes everything smoother. Instead of calculating and second-guessing, just use this tool and stay in sync.