Old cathedral clock in Prague

Opening hours

Registration Desk and Reading Halls:
08:00–19:00, Monday–Friday
09:00–16:00, Saturdays

All other departments:
08:00–16:30, Monday–Friday

Official holidays for all departments for 2025/2026

DateDay of weekOfficial holiday
24 – 27 DecemberWednesday – SaturdayChristmas
31 DecemberWednesday Declared a non-working day
1 JanuaryThursdayNew Year’s Day
2 JanuaryFriday Declared a non-working day
3 JanuarySaturdayNon-working day
3 MarchTuesdayBulgaria Liberation Day
10 – 13 AprilFriday – MondayEaster
1 – 2 MayFriday – SaturdayInternational Labor day
6 MayWednesdayDay of Bravery and Bulgarian army
24 – 25 MaySunday – MondayDay of the Holy Brothers Cyril and Methodius, of the Bulgarian alphabet, education and culture and of the Slavonic literature (24 May)
6 – 7 September
Sunday – Monday		Unification Day (6 September)
22 SeptemberTuesdayBulgaria Independence day
24 – 26 DecemberThursday – SaturdayChristmas

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