KST to HST Converter

HST is 19 hours behind KST. When it is 9:00 AM in KST, it is 2:00 PM the previous day in HST.

For local times that follow daylight saving, use the Seoul to Honolulu converter.

Convert KST to HST

Live
  1. KSTKST (UTC+9)
    3:27 PMThu, Nov 5
  2. HSTHST (UTC−10), 19 hours behind
    8:27 PMWed, Nov 4−1 day
Thursday, November 5, 2026

KST to HST time table

KSTHST
12:00 AM5:00 AMprevious day
1:00 AM6:00 AMprevious day
2:00 AM7:00 AMprevious day
3:00 AM8:00 AMprevious day
4:00 AM9:00 AMprevious day
5:00 AM10:00 AMprevious day
6:00 AM11:00 AMprevious day
7:00 AM12:00 PMprevious day
8:00 AM1:00 PMprevious day
9:00 AM2:00 PMprevious day
10:00 AM3:00 PMprevious day
11:00 AM4:00 PMprevious day
12:00 PM5:00 PMprevious day
1:00 PM6:00 PMprevious day
2:00 PM7:00 PMprevious day
3:00 PM8:00 PMprevious day
4:00 PM9:00 PMprevious day
5:00 PM10:00 PMprevious day
6:00 PM11:00 PMprevious day
7:00 PM12:00 AM
8:00 PM1:00 AM
9:00 PM2:00 AM
10:00 PM3:00 AM
11:00 PM4:00 AM

Best time for a meeting

The best time to meet is 9:00 AM–12:00 PM in KST (2:00 PM–5:00 PM in HST), when both are within 9 AM–5 PM working hours.

Daylight saving changes

KST and HST are fixed UTC offsets, so the difference between them never changes.

More about these times

Convert KST to other places

Convert other places to HST