After 4PM every day during the academic year.
At 11AM, Monday through Friday
1PM on Saturday
and 3 PM on Sunday during the academic year.
The library no longer charges daily fines on overdue books. We do charge $1.00 a day for overdue books that have been recalled, and $1.00 an hour for overdue Reserve books.
The Cooper Union Library
7 E 7th St.
New York, NY