The short answer

4pm in Cuba Standard Time is 11:30pm in Tehran.

Cuba Standard Time is 7 hours 30 minutes behind Tehran. It lands deep outside working hours in Tehran — see the best time to meet below for a friendlier slot.

Cuba Standard Time
4pm
Tehran
11:30pm
Right now
6:12amCDT · UTC-04:00 · Mon, Jun 22
1:42pm+03:30 · UTC+03:30 · Mon, Jun 22
Read across to convert
Cuba Standard Time
CDT · UTC-04:00
6:12am ☀
Tehran
+03:30 · UTC+03:30
1:42pm ☀
Pinned4pmCuba Standard Time=11:30pmTehran
12amMon
7:30am
1am
8:30am
2am
9:30am
WORK
3am
10:30am
WORK
4am
11:30am
WORK
5am
12:30pm
WORK
NOW
6am
1:30pm
WORK
7am
2:30pm
WORK
8am
3:30pm
WORK
9am
WORK
4:30pm
WORK
10am
WORK
5:30pm
11am
WORK
6:30pm
12pm
WORK
7:30pm
1pm
WORK
8:30pm
2pm
WORK
9:30pm
3pm
WORK
10:30pm
PINNED
4pm
WORK
11:30pm
5pm
12:30amTue ·+1d
6pm
1:30amTue ·+1d
7pm
2:30amTue ·+1d
8pm
3:30amTue ·+1d
9pm
4:30amTue ·+1d
10pm
5:30amTue ·+1d
11pm
6:30amTue ·+1d
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Cuba Standard Time
9am–10am
=
Tehran
4:30pm–5:30pm
Popular conversions

Quick reference.

9amCuba Standard Time=4:30pmTehran
12pmCuba Standard Time=7:30pmTehran
3pmCuba Standard Time=10:30pmTehran
5pmCuba Standard Time=12:30amTehran · next day
9pmCuba Standard Time=4:30amTehran · next day
In context

What each side covers.

Cuba Standard Time
CDT · UTC-04:00
6:12am
Cities on this clock
Tehran
+03:30 · UTC+03:30
1:42pm
Cities on this clock

Frequently asked

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

What is the time difference between Cuba Standard Time and Tehran?
Cuba Standard Time is 7 hours 30 minutes behind 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 4pm in Cuba Standard Time, what time is it in Tehran?
4pm in Cuba Standard Time is 11:30pm in Tehran. It lands deep outside working hours in Tehran — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Cuba Standard Time and Tehran?
9am–10am in Cuba Standard Time lines up with 4:30pm–5:30pm 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 — CDT 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.