The short answer
1am in Atlantic Daylight Time is 1pm in Korea Standard Time.
Atlantic Daylight Time is 12 hours behind Korea Standard Time. It falls outside the 9-to-5 in Atlantic Daylight Time but lands inside working hours in Korea Standard Time.
Atlantic Daylight Time☾
1am
Korea Standard Time☀
1pm
Right now
3:13amADT · UTC-03:00 · Tue, Aug 25
3:13pmKST · UTC+09:00 · Tue, Aug 25
Read across to convert
Atlantic Daylight Time
ADT · UTC-03:00
Korea Standard Time
KST · UTC+09:00
Pinned1amAtlantic Daylight Time=1pmKorea Standard Time
12amTue
12pm
WORKPINNED
1am
1pm
WORK2am
2pm
WORKNOW
3am
3pm
WORK4am
4pm
WORK5am
5pm
6am
6pm
7am
7pm
8am
8pm
9am
WORK9pm
10am
WORK10pm
11am
WORK11pm
12pm
WORK12amWed ·+1d
1pm
WORK1amWed ·+1d
2pm
WORK2amWed ·+1d
3pm
WORK3amWed ·+1d
4pm
WORK4amWed ·+1d
5pm
5amWed ·+1d
6pm
6amWed ·+1d
7pm
7amWed ·+1d
8pm
8amWed ·+1d
9pm
9amWed ·+1d
WORK10pm
10amWed ·+1d
WORK11pm
11amWed ·+1d
WORKdaylightnightworking hoursoverlap
Best time to meet
No shared working hours.
Atlantic Daylight Time and Korea Standard Time are too far apart for a working-day overlap. The least-unsociable option is an early-morning call on one side and an evening one on the other — or hand work off asynchronously and let the planet do the waiting.
Popular conversions
Quick reference.
9amAtlantic Daylight Time=9pmKorea Standard Time
12pmAtlantic Daylight Time=12amKorea Standard Time · next day
3pmAtlantic Daylight Time=3amKorea Standard Time · next day
5pmAtlantic Daylight Time=5amKorea Standard Time · next day
9pmAtlantic Daylight Time=9amKorea Standard Time · next day
In context
What each side covers.
Atlantic Daylight Time
3:13amADT · UTC-03:00
Canada & Caribbean
Korea Standard Time
3:13pmKST · UTC+09:00
Related converters
Other popular pairs.
Pacific Time
11:13pm
India Standard Time
11:43am
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
2:13am
Central European Time
8:13am
Eastern Time to Central Europe6 hours behind
India Standard Time
11:43am
Eastern Daylight Time
2:13am
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
7:13am
India Standard Time
11:43am
London to India4 hours 30 minutes behind
Pacific Daylight Time
11:13pm
Eastern Daylight Time
2:13am
Pacific to Eastern Time3 hours behind
Central European Time
8:13am
India Standard Time
11:43am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Atlantic Daylight Time and Korea Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between Atlantic Daylight Time and Korea Standard Time?
- Atlantic Daylight Time is 12 hours behind Korea Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 1am in Atlantic Daylight Time, what time is it in Korea Standard Time?
- 1am in Atlantic Daylight Time is 1pm in Korea Standard Time. It falls outside the 9-to-5 in Atlantic Daylight Time but lands inside working hours in Korea Standard Time. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Atlantic Daylight Time and Korea Standard Time?
- There's no comfortable 9-to-5 overlap between Atlantic Daylight Time and Korea Standard Time — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — ADT and KST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.