Czechia is 4 hours 30 minutes behind Colombo. When it's noon in Czechia, it's 15:00 in Colombo.
Czechia is in the Europe/Prague timezone. Colombo is in Asia/Colombo. The difference is 3.5 hours 30 minutes.
Daily overlap window
Both Czechia and Colombo are simultaneously in business hours for 4.5 hours per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
Czechia
Colombo
Overlap (4.5h)
Recommended meeting windows
Both Czechia and Colombo are in standard hours simultaneously for 4.5h per day. 3 recommended slots shown below.
09:00 Prague / 12:00 Colombo✓ Both working
10:00 Prague / 13:00 Colombo✓ Both working
11:00 Prague / 14:00 Colombo✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays this year
Czechia6 holidays
Sep 28St. Wenceslas Day
Oct 28Independent Czechoslovak State Day
Nov 17Struggle for Freedom and Democracy Day
Dec 24Christmas Eve
Dec 25Christmas Day
Colombo
No upcoming public holidays this year.
Czechia and Colombo — practical scheduling
Czechia (Czechia) leads Colombo (Sri Lanka) by 3.5 hours. Despite the gap, a 4.5-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Practical scheduling guidelines
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09:00–10:00 in Czechia = 12:00–13:00 in Colombo. Both sides are in standard business hours during this window.
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10:00–11:00 in Czechia = 13:00–14:00 in Colombo. Both sides are in standard business hours during this window.
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11:00–12:00 in Czechia = 14:00–15:00 in Colombo. 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 Czechia. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
