Iran is 2 hours 30 minutes ahead of United Kingdom. When Iran clocks hit noon, United Kingdom reads 09:00.
Iran is in the Asia/Tehran timezone. United Kingdom is in Europe/London. The difference is 2.5 hours 30 minutes.
Business hours comparison
Every working day, Iran and United Kingdom are both in business hours for 5.5 hours simultaneously.
00:0006:0012:0018:0024:00
Iran
United Kingdom
Overlap (5.5h)
When to schedule across time zones
Both Iran and United Kingdom are in standard hours simultaneously for 5.5h per day. 3 recommended slots shown below.
12:00 Tehran / 09:00 London✓ Both working
13:00 Tehran / 10:00 London✓ Both working
14:00 Tehran / 11:00 London✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Holiday calendar for both locations
Iran
No upcoming public holidays this year.
United Kingdom7 holidays
Jun 15World Cup Bank HolidaySOON
Jul 13Battle of the Boyne
Aug 3Summer Bank Holiday
Aug 31Summer Bank Holiday
Nov 30Saint Andrew's Day
Working across Iran and United Kingdom
Working across Iran (Iran) and United Kingdom (United Kingdom) involves a 2.5-hour gap. The good news: there is a 5.5-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 Best practice for cross-timezone meetings
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12:00–13:00 in Iran = 09:00–10:00 in United Kingdom. Both sides are in standard business hours during this window.
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13:00–14:00 in Iran = 10:00–11:00 in United Kingdom. Both sides are in standard business hours during this window.
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14:00–15:00 in Iran = 11:00–12:00 in United Kingdom. Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in Iran. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
