KST to PST Converter

PST is 17 hours behind KST. 9:00 AM KST = 4:00 PM PST (previous day).

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KSTfrom
Korea Standard Time
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Pacific Standard Time
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PST is 17 hours behind KST at the moment. To convert KST to PST, subtract 17 hours from the KST time: 9:00 AM KST = 4:00 PM PST (previous day).

KST (Korea Time) is used in South Korea. PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver.

PST here means Pacific Standard Time, not Philippine Standard Time.

KST to PST time conversion table

KST to PST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

KSTPSTDay
12:00 AM KST7:00 AM PSTprevious day
1:00 AM KST8:00 AM PSTprevious day
2:00 AM KST9:00 AM PSTprevious day
3:00 AM KST10:00 AM PSTprevious day
4:00 AM KST11:00 AM PSTprevious day
5:00 AM KST12:00 PM PSTprevious day
6:00 AM KST1:00 PM PSTprevious day
7:00 AM KST2:00 PM PSTprevious day
8:00 AM KST3:00 PM PSTprevious day
9:00 AM KST4:00 PM PSTwork hours
10:00 AM KST5:00 PM PSTprevious day
11:00 AM KST6:00 PM PSTprevious day
12:00 PM KST7:00 PM PSTprevious day
1:00 PM KST8:00 PM PSTprevious day
2:00 PM KST9:00 PM PSTprevious day
3:00 PM KST10:00 PM PSTprevious day
4:00 PM KST11:00 PM PSTprevious day
5:00 PM KST12:00 AM PSTnight
6:00 PM KST1:00 AM PSTnight
7:00 PM KST2:00 AM PSTnight
8:00 PM KST3:00 AM PSTnight
9:00 PM KST4:00 AM PSTnight
10:00 PM KST5:00 AM PSTnight
11:00 PM KST6:00 AM PST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert KST to PST

Subtract 17 hours from the KST time to get PST.

Example: 9:00 AM KST = 4:00 PM PST (previous day).

Across midnight: 1:00 AM KST = 8:00 AM PST (previous day). The date changes, so always check the day as well as the hour.

Time difference between KST and PST

The time difference between KST and PST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: PST is 17 hours behind of KST.
  • 8 Mar 2026 – 31 Oct 2026: PST is 16 hours behind of KST.
  • 1 Nov 2026 – 31 Dec 2026: PST is 17 hours behind of KST.

KST and PST during daylight saving time

  • KST does not observe daylight saving time; it stays on UTC+9 all year.
  • PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).

Best time for a meeting between KST and PST

KST and PST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 2:00 PM PST.

Plan a meeting across more time zones.

KST to PST FAQ

What is the time difference between KST and PST?

Right now PST is 17 hours behind KST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM KST in PST?

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

What is 12 PM (noon) KST in PST?

12:00 PM KST is 7:00 PM PST (previous day).

Is PST ahead of or behind KST?

PST is 17 hours behind KST, so it is earlier in PST than in KST.

Does KST change for daylight saving time?

No. KST stays on the same offset all year, so conversions never shift for daylight saving time.

Does PST change for daylight saving time?

Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.

What is the best time for a meeting between KST and PST?

KST and PST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 2:00 PM PST.

Is PT the same as PST?

PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert PST to KST

Convert KST to other time zones

Convert other time zones to PST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.