Tehran to London time converter

London is 2 hours 30 minutes behind Tehran. When it is 9:00 AM in Tehran, it is 6:30 AM in London.

Tehran IRST

Saturday, October 17, 2026

London BST

Friday, October 16, 2026

Tehran
Iran
Sat, Oct 17
IRSTUTC+3:30
London
United Kingdom
Fri, Oct 16
BSTUTC+1-2h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

Tehran to London conversion table

Every hour of today in Tehran and the matching time in London. Light rows are typical working hours (9:00–18:00).

TehranLondon
12:00 AM9:30 PM−1 day
1:00 AM10:30 PM−1 day
2:00 AM11:30 PM−1 day
3:00 AM12:30 AM
4:00 AM1:30 AM
5:00 AM2:30 AM
6:00 AM3:30 AM
7:00 AM4:30 AM
8:00 AM5:30 AM
9:00 AM6:30 AM
10:00 AM7:30 AM
11:00 AM8:30 AM
12:00 PM9:30 AM
1:00 PM10:30 AM
2:00 PM11:30 AM
3:00 PM12:30 PM
4:00 PM1:30 PM
5:00 PM2:30 PM
6:00 PM3:30 PM
7:00 PM4:30 PM
8:00 PM5:30 PM
9:00 PM6:30 PM
10:00 PM7:30 PM
11:00 PM8:30 PM

Best time to call or meet

Both sides are at work from 11:30 AM – 6:00 PM in Tehran (9:00 AM – 3:30 PM in London).

Daylight saving time and the difference

The difference changes during the year because Tehran and London switch clocks on different dates:

  • Oct 17, 2026 – Oct 25, 2026: -2h 30m
  • Oct 25, 2026 – Mar 28, 2027: -3h 30m
  • Mar 28, 2027 – Oct 17, 2027: -2h 30m

Distance

Tehran and London are 4,398 km (2,733 miles) apart in a straight line.

More conversions

London to TehranTehran to New YorkTehran to Los AngelesTehran to ChicagoTehran to TorontoTehran to São PauloTehran to ParisTehran to BerlinTehran to MoscowTehran to DubaiTehran to New DelhiTehran to BangkokTehran to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Tehran and London?

London is 2 hours 30 minutes behind Tehran.

What time is it in London when it is 9 AM in Tehran?

When it is 9:00 AM in Tehran, it is 6:30 AM in London.

When is the best time to call London from Tehran?

Both sides are at work from 11:30 AM – 6:00 PM in Tehran (9:00 AM – 3:30 PM in London).

Does the time difference between Tehran and London change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.