The short answer

4pm in India Standard Time is 2pm in Tehran.

India Standard Time is 2 hours ahead of Tehran. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places.

India Standard Time
4pm
Tehran
2pm
Right now
1:06pmIST · UTC+05:30 · Mon, Jun 22
11:06am+03:30 · UTC+03:30 · Mon, Jun 22
Read across to convert
India Standard Time
IST · UTC+05:30
1:06pm ☀
Tehran
+03:30 · UTC+03:30
11:06am ☀
Pinned4pmIndia Standard Time=2pmTehran
12amMon
10pmSun ·−1d
1am
11pmSun ·−1d
2am
12amMon
3am
1am
4am
2am
5am
3am
6am
4am
7am
5am
8am
6am
9am
WORK
7am
10am
WORK
8am
11am
WORK
9am
WORK
12pm
WORK
10am
WORK
NOW
1pm
WORK
11am
WORK
2pm
WORK
12pm
WORK
3pm
WORK
1pm
WORK
PINNED
4pm
WORK
2pm
WORK
5pm
3pm
WORK
6pm
4pm
WORK
7pm
5pm
8pm
6pm
9pm
7pm
10pm
8pm
11pm
9pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
India Standard Time
11am–5pm
=
Tehran
9am–3pm
Popular conversions

Quick reference.

9amIndia Standard Time=7amTehran
12pmIndia Standard Time=10amTehran
3pmIndia Standard Time=1pmTehran
5pmIndia Standard Time=3pmTehran
9pmIndia Standard Time=7pmTehran
In context

What each side covers.

India Standard Time
IST · UTC+05:30
1:06pm
Cities on this clock
Tehran
+03:30 · UTC+03:30
11:06am
Cities on this clock
Did you mean…? “IST” is shared by several places. This page shows India Standard Time (India) — or switch to Israel Standard Time · Irish Standard Time.

Frequently asked

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

What is the time difference between India Standard Time and Tehran?
India Standard Time is 2 hours 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 4pm in India Standard Time, what time is it in Tehran?
4pm in India Standard Time is 2pm in Tehran. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between India Standard Time and Tehran?
11am–5pm in India Standard Time lines up with 9am–3pm 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 — IST 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.