Portland SeoulTime Converter

Portland (PDT, UTC−7) is currently 16 hours behind Seoul (KST, UTC+9). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
--:--:--

Quick answer

When it's in Portland, it's the next day in Seoul.

Portland (PST/PDT) runs 16 hours behind Seoul (KST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
+16h 00m
Portland
UTC−7
Seoul
UTC+9
Best call window
5:00 PM PDT
Hour by hour

Portland to Seoul conversion table

The next 12 hours in Portland and the matching local time in Seoul. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from Portland to Seoul
Portland · PDT Seoul · KST Seoul status
NOW
Tue, Jul 21
Tue, Jul 21
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Night
Tue, Jul 21
Wed, Jul 22
Day
Tue, Jul 21
Wed, Jul 22
Day
Tue, Jul 21
Wed, Jul 22
Day
Tue, Jul 21
Wed, Jul 22
DayWorking hours
Tue, Jul 21
Wed, Jul 22
DayWorking hours
Meeting planner

Best time to meet between Portland & Seoul

Working hours are 9am–6pm in each city. The bright band is where they overlap: both sides at their desks.

Portland PDT
Seoul KST
Both in working hours Working hours (9–18) Early morning or evening Very early or very late Night Now
Best time for a call or meeting: between 5:00 PM and 6:00 PM in Portland, which is 9:00 AM–10:00 AM in Seoul — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

Daylight saving shifts this gap by up to 1 hour

The difference between Portland and Seoul swings between 16 and 17 hours across the year as each side starts or ends daylight saving. Clocks in Portland move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026. Seoul does not observe daylight saving time. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth, for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Portland time in Seoul?", it can cite the exact, DST-aware result, not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with time zone identifiers and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Portland → Seoul",
  "url": "https://worldclock.pro/en/convert/portland-to-seoul",
  "from": {
    "name": "Portland",
    "type": "city",
    "abbreviation": "PST",
    "daylightAbbreviation": "PDT",
    "iana": "America/Los_Angeles",
    "standardUtcOffset": "-08:00",
    "daylightUtcOffset": "-07:00",
    "referenceCity": "Portland"
  },
  "to": {
    "name": "Seoul",
    "type": "city",
    "abbreviation": "KST",
    "daylightAbbreviation": null,
    "iana": "Asia/Seoul",
    "standardUtcOffset": "+09:00",
    "daylightUtcOffset": null,
    "referenceCity": "Seoul"
  },
  "currentDifferenceMinutes": 960,
  "possibleDifferencesMinutes": [
    960,
    1020
  ],
  "note": "Between the regions that use these zones the difference is 16 and 17 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}

Frequently asked questions

What is the time difference between Portland and Seoul?

Portland is currently 16 hours behind Seoul. Portland is on PDT (UTC−7) and Seoul is on KST (UTC+9). The difference can change when either side starts or ends daylight saving time.

Is Seoul ahead of or behind Portland?

Seoul is currently 16 hours ahead of Portland.

When it is 9:00 AM in Portland, what time is it in Seoul?

When it is 9:00 AM on a Tuesday in Portland, it is 1:00 AM the next day in Seoul.

Do Portland and Seoul observe daylight saving time?

Clocks in Portland move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026. Seoul does not observe daylight saving time.

How do I convert Portland time to Seoul time?

Add 16 hours to any time in Portland to get the time in Seoul. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

More world clock & time zone apps

From the team behind worldclock.pro — global scheduling on iPhone & iPad, a Mac menu-bar clock, and precision Zulu/UTC for aviation, military, and HAM radio.

iPhone & iPad World Clock Master icon

World Clock Master

★★★★★4.7

Global time zone scheduling for international teams, travelers, and professionals who coordinate across cities and continents.

View app
macOS World Clock Pro Mac icon

World Clock Pro

★★★★★4.3

The same powerful time zone converter, meeting scheduler, and world clock — living in your Mac's menu bar.

View app
iPhone Zulu Time app icon

Zulu Time

★★★★★4.8

Precision UTC for pilots, military, and HAM radio — NTP-synced atomic accuracy, NATO time-zone letters, and an interactive world map.

View app