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Time difference between London and Tehran

Tehran is 2.5 hours ahead of London.

London

10:49:21 AM

Friday, October 23, 2026

Europe/London · UTC+01:00

Tehran

01:19:21 PM

Friday, October 23, 2026

Asia/Tehran · UTC+03:30

Tehran is 2.5 hours ahead of London

  • London

    Fri, Oct 23 · UTC+01:00

  • Tehran +2.5 h

    Fri, Oct 23 · UTC+03:30

Green = office hours (9:00–18:00). Click a column to pick that time.

London01234567891011121314151617181920212223
Tehran23456789101112131415161718192021222301

Tehran is 2.5 hours ahead of London. Right now London (United Kingdom) is on UTC+01:00 and Tehran (Iran) on UTC+03:30: when it is 12:00 in London, it is 14:30 in Tehran. The difference is not fixed: it changes when either place switches to or from daylight saving time.

Time difference throughout the year

FromToDifference
Friday, October 23, 2026Saturday, October 24, 2026Tehran is 2.5 hours ahead of London
Sunday, October 25, 2026Saturday, March 27, 2027Tehran is 3.5 hours ahead of London
Sunday, March 28, 2027Saturday, October 23, 2027Tehran is 2.5 hours ahead of London

London to Tehran time conversion

For today, Friday, October 23, 2026.
LondonTehran
00:0002:30
01:0003:30
02:0004:30
03:0005:30
04:0006:30
05:0007:30
06:0008:30
07:0009:30
08:0010:30
09:0011:30
10:0012:30
11:0013:30
12:0014:30
13:0015:30
14:0016:30
15:0017:30
16:0018:30
17:0019:30
18:0020:30
19:0021:30
20:0022:30
21:0023:30
22:0000:30 (next day)
23:0001:30 (next day)

Best time to call

Office hours (9:00 to 18:00) overlap from 09:00 to 15:59 in London, which is 11:30 to 17:30 in Tehran.

Frequently asked questions

Tehran is 2.5 hours ahead of London. The difference is not fixed: it changes when either place switches to or from daylight saving time.

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