Colombo ↔ Iran — time offset
Colombo is 2 hours ahead of Iran. When it's noon in Colombo, it's 10:00 in Iran.
Colombo is in the Asia/Colombo timezone. Iran is in Asia/Tehran. The difference is 2 hours.
Mutual working hours
Both Colombo and Iran are simultaneously in business hours for 6 hours per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
Recommended meeting windows
Both Colombo and Iran are in standard hours simultaneously for 6h per day. 3 recommended slots shown below.
11:00 Colombo / 09:00 Tehran✓ Both working
12:00 Colombo / 10:00 Tehran✓ Both working
13:00 Colombo / 11:00 Tehran✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Colombo and Iran — practical scheduling
Colombo (Sri Lanka) leads Iran (Iran) by 2 hours. Despite the gap, a 6-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Practical scheduling guidelines
✅11:00–12:00 in Colombo = 09:00–10:00 in Iran. Both sides are in standard business hours during this window.
✅12:00–13:00 in Colombo = 10:00–11:00 in Iran. Both sides are in standard business hours during this window.
✅13:00–14:00 in Colombo = 11:00–12:00 in Iran. 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.
Get the Extension — Free →Use the time slider above to find the exact equivalent time for any moment in Colombo. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
