Opening hours

- visit DTU Library at Lyngby Campus, building 101 or at Ballerup Campus

User with no DTU affiliation i.e. the public and the Danish business community are welcome in Library Service staffed hours - please see below. 

Open around the clock - access with DTU card 24/7

DTU staff and students can normally access both libraries with DTU student or access card and for digit code day and night, all week - 24/7!
Activate student/access card
 

Summer: 1 July - 25 August 2025
Library Service in Lyngby


- hours with library staff in service

Monday to Friday 10.00-14.00
Meet a librarian Monday to Friday 10.00-14.00
Access with card and code day and night, all week!

The library in Ballerup is closed for the summer
27 June until 25 August 2025
  

Library Service in Lyngby

- hours with library staff in service

Monday to Friday 9.00-18.00
Saturday, Sunday, and Public Holidays and DTU breaks* 12.00-16.00
Meet a librarian Monday to Friday 9.00-15.00
Access with card and code day and night, all week!

*Public Holidays and DTU no-study breaks 2025
Winter break: 27-31 January, Easter: 14 -21 April (DTU break and Holy Thursday, Good Friday, and Easter Monday), Ascension Day and DTU break: 29 and 30 May, Constitution Day: 5 June, Whit Monday: 9 June, Fall break: 13-17 October. 

Christmas and New Year
Closed for Christmas, and New Year.

Summer
Short opening hours in the summer period.

Library Service in Ballerup

- hours with library staff in service

Thursday
Closed on public holidays and DTU breaks*
 9.00-12.00
Access with card and code day and night, all week!

*Public Holidays and DTU no-study breaks in 2025
Christmas and New Year 2024/25, Winter break: 27-31 January, Easter: 14 -21 April (DTU break and Holy Thursday, Good Friday, and Easter Monday), Ascension Day and DTU break: 29 and 30 May, Constitution Day: 5 June, Whit Monday: 9 June, Fall break: 13-17 October and over Christmas and New Year 2025/26.

Summer
Short opening hours in the summer period.