Iran is 2 hours 30 minutes ahead of Lisbon. At noon in Iran, your contact in Lisbon sees 09:00.
Iran is in the Asia/Tehran timezone. Lisbon is in Europe/Lisbon. The difference is 2.5 hours 30 minutes.
Daily overlap window
Iran and Lisbon share 5.5 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
Iran
Lisbon
Overlap (5.5h)
Recommended meeting windows
Both Iran and Lisbon are in standard hours simultaneously for 5.5h per day. 3 recommended slots shown below.
12:00 Tehran / 09:00 Lisbon✓ Both working
13:00 Tehran / 10:00 Lisbon✓ Both working
14:00 Tehran / 11:00 Lisbon✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
Iran
No upcoming public holidays this year.
Lisbon6 holidays
Oct 5Republic Day
Nov 1All Saints Day
Dec 1Restoration of Independence
Dec 8Immaculate Conception
Dec 25Christmas Day
Scheduling between Iran and Lisbon
Iran (Iran) leads Lisbon (Portugal) by 2.5 hours. Despite the gap, a 5.5-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Scheduling tips for these locations
✅
12:00–13:00 in Iran = 09:00–10:00 in Lisbon. Both sides are in standard business hours during this window.
✅
13:00–14:00 in Iran = 10:00–11:00 in Lisbon. Both sides are in standard business hours during this window.
✅
14:00–15:00 in Iran = 11:00–12:00 in Lisbon. 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.
