Seoul PhoenixTime Converter

Seoul (KST, UTC+9) is currently 16 hours ahead of Phoenix (MST, UTC−7). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in Seoul, it's the previous day in Phoenix.

Seoul (KST) runs 16 hours ahead of Phoenix (MST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
−16h 00m
Seoul
UTC+9
Phoenix
UTC−7
Best call window
9:00 AM KST
Hour by hour

Seoul to Phoenix conversion table

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

Hourly conversion from Seoul to Phoenix
Seoul · KST Phoenix · MST Phoenix status
NOW
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Day
Mon, Jun 22
Mon, Jun 22
Day
Tue, Jun 23
Mon, Jun 22
Day
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Meeting planner

Best time to meet between Seoul & Phoenix

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

Seoul KST
Phoenix MST
Both in business hours Business hours (9–18) Morning / evening Night Now
Best time for a call or meeting: between 9:00 AM and 10:00 AM in Seoul, which is 5:00 PM–6:00 PM in Phoenix — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

This time difference never changes

Neither side observes daylight saving against the other, so the gap stays constant all year. Seoul does not observe daylight saving time. Phoenix 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 Seoul time in Phoenix?", 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 IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Seoul → Phoenix",
  "url": "https://worldclock.pro/en/convert/seoul-to-phoenix",
  "from": {
    "name": "Seoul",
    "type": "city",
    "abbreviation": "KST",
    "daylightAbbreviation": null,
    "iana": "Asia/Seoul",
    "standardUtcOffset": "+09:00",
    "daylightUtcOffset": null,
    "referenceCity": "Seoul"
  },
  "to": {
    "name": "Phoenix",
    "type": "city",
    "abbreviation": "MST",
    "daylightAbbreviation": "MDT",
    "iana": "America/Phoenix",
    "standardUtcOffset": "-07:00",
    "daylightUtcOffset": null,
    "referenceCity": "Phoenix"
  },
  "currentDifferenceMinutes": -960,
  "possibleDifferencesMinutes": [
    -960
  ],
  "note": "The difference is constant year-round."
}

Frequently asked questions

What is the time difference between Seoul and Phoenix?

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

Is Phoenix ahead of or behind Seoul?

Phoenix is currently 16 hours behind Seoul.

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

When it is 9:00 AM on a Monday in Seoul, it is 5:00 PM the previous day in Phoenix.

Do Seoul and Phoenix observe daylight saving time?

Seoul does not observe daylight saving time. Phoenix does not observe daylight saving time.

How do I convert Seoul time to Phoenix time?

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

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