The short answer

1pm in Korea Standard Time is 7:30am in Tehran.

Korea Standard Time is 5 hours 30 minutes ahead of Tehran. That's early morning in Tehran, before the typical working day begins.

Korea Standard Time
1pm
Tehran
7:30am
Right now
3:31pmKST · UTC+09:00 · Mon, Jun 22
10:01am+03:30 · UTC+03:30 · Mon, Jun 22
Read across to convert
Korea Standard Time
KST · UTC+09:00
3:31pm ☀
Tehran
+03:30 · UTC+03:30
10:01am ☀
Pinned1pmKorea Standard Time=7:30amTehran
12amMon
6:30pmSun ·−1d
1am
7:30pmSun ·−1d
2am
8:30pmSun ·−1d
3am
9:30pmSun ·−1d
4am
10:30pmSun ·−1d
5am
11:30pmSun ·−1d
6am
12:30amMon
7am
1:30am
8am
2:30am
9am
WORK
3:30am
10am
WORK
4:30am
11am
WORK
5:30am
12pm
WORK
6:30am
PINNED
1pm
WORK
7:30am
2pm
WORK
8:30am
NOW
3pm
WORK
9:30am
WORK
4pm
WORK
10:30am
WORK
5pm
11:30am
WORK
6pm
12:30pm
WORK
7pm
1:30pm
WORK
8pm
2:30pm
WORK
9pm
3:30pm
WORK
10pm
4:30pm
WORK
11pm
5:30pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Korea Standard Time
3pm–5pm
=
Tehran
9:30am–11:30am
Popular conversions

Quick reference.

9amKorea Standard Time=3:30amTehran
12pmKorea Standard Time=6:30amTehran
3pmKorea Standard Time=9:30amTehran
5pmKorea Standard Time=11:30amTehran
9pmKorea Standard Time=3:30pmTehran
In context

What each side covers.

Korea Standard Time
KST · UTC+09:00
3:31pm
Cities on this clock
Tehran
+03:30 · UTC+03:30
10:01am
Cities on this clock

Frequently asked

Quick answers about converting between Korea Standard Time and Tehran. Can't find what you need? Email [email protected].

What is the time difference between Korea Standard Time and Tehran?
Korea Standard Time is 5 hours 30 minutes ahead of Tehran 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 1pm in Korea Standard Time, what time is it in Tehran?
1pm in Korea Standard Time is 7:30am in Tehran. That's early morning in Tehran, before the typical working day begins. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Korea Standard Time and Tehran?
3pm–5pm in Korea Standard Time lines up with 9:30am–11:30am in Tehran — both sides are inside a 9-to-5 working day.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — KST and +03:30 — 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.