KST to Las Vegas time conversion

KST time

KSTUTC+9Not observed

Time in Las Vegas

PDTUTC-7Daylight saving time

Las Vegas is 16 hours behind KST. After the next clock change (): Las Vegas is 17 hours behind KST.

Time difference with your location

KST is 9 hours ahead of UTC. Compare with your local time →

Choose a date and time

Choose the local time in KST to convert it to Las Vegas on that date.

Las Vegas to KST time conversion

Skipped clock-change times are unavailable; a repeated time uses its first occurrence.

24-hour conversion chart · KST → Las Vegas

This table converts each hour in KST to Las Vegas on 2026-10-21.

  • Working hours
  • Outside working hours
  • Night hours
KSTLas VegasShared working hours
00:0012:00 AM 08:008:00 AM -1 day
01:001:00 AM 09:009:00 AM -1 day
02:002:00 AM 10:0010:00 AM -1 day
03:003:00 AM 11:0011:00 AM -1 day
04:004:00 AM 12:0012:00 PM -1 day
05:005:00 AM 13:001:00 PM -1 day
06:006:00 AM 14:002:00 PM -1 day
07:007:00 AM 15:003:00 PM -1 day
08:008:00 AM 16:004:00 PM -1 day ✓
09:009:00 AM 17:005:00 PM -1 day ✓
10:0010:00 AM 18:006:00 PM -1 day
11:0011:00 AM 19:007:00 PM -1 day
12:0012:00 PM 20:008:00 PM -1 day
13:001:00 PM 21:009:00 PM -1 day
14:002:00 PM 22:0010:00 PM -1 day
15:003:00 PM 23:0011:00 PM -1 day
16:004:00 PM 00:0012:00 AM
17:005:00 PM 01:001:00 AM
18:006:00 PM 02:002:00 AM
19:007:00 PM 03:003:00 AM
20:008:00 PM 04:004:00 AM
21:009:00 PM 05:005:00 AM
22:0010:00 PM 06:006:00 AM
23:0011:00 PM 07:007:00 AM

Quick conversion examples

These examples use KST (UTC+9) and Las Vegas (UTC-7); choosing a date applies the local clock changes.

Conversion formula: Las Vegas = KST − 16h · KST − 17h.

KSTLas Vegas
6:00 AM KST= 2:00 PM Las Vegas (-1 day)
7:00 AM KST= 3:00 PM Las Vegas (-1 day)
8:00 AM KST= 4:00 PM Las Vegas (-1 day)
9:00 AM KST= 5:00 PM Las Vegas (-1 day)
10:00 AM KST= 6:00 PM Las Vegas (-1 day)
12:00 PM KST= 8:00 PM Las Vegas (-1 day)
3:00 PM KST= 11:00 PM Las Vegas (-1 day)
5:00 PM KST= 1:00 AM Las Vegas
6:00 PM KST= 2:00 AM Las Vegas
8:00 PM KST= 4:00 AM Las Vegas

Overlapping meeting hours

The 08:00–18:00 working day in KST and Las Vegas overlaps for 2 hours on 2026-10-21.

Shared working hours
08:00–10:00 KST · 16:00–18:00 Las Vegas

Clock changes on both sides, 2026–2028

KST and Las Vegas have the following local clock changes in 2026–2028; all times in the table are local to that side.

YearKSTLas Vegas
2026 No clock changes; UTC+9 all year.

· 02:00 → 03:00
UTC-8 → UTC-7

· 02:00 → 01:00
UTC-7 → UTC-8

2027 No clock changes; UTC+9 all year.

· 02:00 → 03:00
UTC-8 → UTC-7

· 02:00 → 01:00
UTC-7 → UTC-8

2028 No clock changes; UTC+9 all year.

· 02:00 → 03:00
UTC-8 → UTC-7

· 02:00 → 01:00
UTC-7 → UTC-8

At the start of 2026, Las Vegas is 17 hours behind KST. The difference changes during the following periods.

  • From 2026-03-08 19:00 KST until 2026-11-01 18:00 KST, Las Vegas is 16 hours behind KST.
  • From 2027-03-14 19:00 KST until 2027-11-07 18:00 KST, Las Vegas is 16 hours behind KST.
  • From 2028-03-12 19:00 KST until 2028-11-05 18:00 KST, Las Vegas is 16 hours behind KST.

Frequently asked questions

What time is 9 AM KST in Las Vegas?

9:00 AM KST = 5:00 PM Las Vegas (-1 day), using UTC+9 and UTC-7. Choose a date above for the seasonal local time.

Does the time difference between KST and Las Vegas change during the year?

Yes. During 2026–2028: Las Vegas is 17 hours behind KST; Las Vegas is 16 hours behind KST. The clock-change table gives the dates for both sides.

How do I tell whether it is day or night in Las Vegas?

Read the Las Vegas clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.

What is the best time to call between KST and Las Vegas?

The shared 08:00–18:00 working window is 08:00–10:00 KST / 16:00–18:00 Las Vegas, a total of 2 hours.

What is the time difference between KST and Las Vegas now?

Right now, Las Vegas is 16 hours behind KST. Conversion formula: Las Vegas = KST − 16h · KST − 17h.