1 AM KST to EST
1:00 AM KST is 11:00 AM EST (previous day).
1 AM KST in other time zones
Quarter hours: 1 AM, 1:15, 1:30 and 1:45 KST
- 1:00 AM KST = 11:00 AM EST (previous day)
- 1:15 AM KST = 11:15 AM EST (previous day)
- 1:30 AM KST = 11:30 AM EST (previous day)
- 1:45 AM KST = 11:45 AM EST (previous day)
1 AM KST to EST FAQ
What is 1 AM KST in EST?
1:00 AM KST is 11:00 AM EST (previous day).
Is 1 AM KST the same day in EST?
No. 1:00 AM KST is 11:00 AM EST on the previous day.
What is 1:30 AM KST in EST?
1:30 AM KST = 11:30 AM EST (previous day).
Is 1 AM ET the same as 1 AM EST?
ET (Eastern Time) is the year-round name for these clocks, so 1 AM ET means 1 AM EST on today's date. 1:00 AM KST is 11:00 AM EST (previous day).
Related conversions
All KST to EST times
12 AM KST to EST1 AM KST to EST2 AM KST to EST3 AM KST to EST4 AM KST to EST5 AM KST to EST6 AM KST to EST7 AM KST to EST8 AM KST to EST9 AM KST to EST10 AM KST to EST11 AM KST to EST12 PM KST to EST1 PM KST to EST2 PM KST to EST3 PM KST to EST4 PM KST to EST5 PM KST to EST6 PM KST to EST7 PM KST to EST8 PM KST to EST9 PM KST to EST10 PM KST to EST11 PM KST to EST
Convert EST to KST
Convert KST to other time zones
Convert other time zones to EST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.