About the time in Tehran

Tehran is a city in Iran. It uses the Asia/Tehran time zone, which is currently UTC+3:30 — that is, +3:30 hours from Coordinated Universal Time. Tehran does not observe daylight saving time, so its UTC offset stays the same all year.

Compared with other major cities right now, Tehran is 7.5 hours ahead of New York and 2.5 hours ahead of London. The table above updates live, so the differences you see always reflect current daylight saving rules on both sides.

What time zone is Tehran in?

Tehran follows the Asia/Tehran time zone (UTC+3:30). All clocks on this page are driven by the official IANA time zone database, the same source used by operating systems and airlines worldwide.

Does Tehran observe daylight saving time?

No — Tehran keeps the same offset all year, which makes scheduling with it straightforward.

Sunrise and sunset in Tehran

Today's sunrise and sunset above are calculated astronomically for Tehran's coordinates (35.69°, 51.39°) and shown in local Tehran time. They shift a little every day through the year.

How is this clock kept accurate?

The time shown is your device clock converted into Tehran's time zone using your browser's built-in IANA database. If your device clock is correct, the time above is correct — no server round-trips, nothing to install.