Currently, our upcoming events are announced on our mailing list (visit http://lists.columbia.edu/mailman/listinfo/cusfs-announce and subscribe to get updates). We generally meet in Hamilton 603; exceptions will be announced on the mailing list.
The library has weekly office hours, which will be announced shortly for Fall 2013. You can also make an appointment with our librarian to check out books. If the librarian does not email the mailing list with a reminder about library hours, the library won't be open. Sorry!
Here is the currently announced schedule for the Spring 2014 semester: