Ask a Librarian Chat Service Hours

2016 Spring Hours (January - May)

During the Spring the Ask A Librarian service is generally staffed:

Monday 10:00 am - 5:00 pm, Tuesday through Thursday 10:00 am - 9:00 pm, Friday 10:00 am - 5:00 pm, and Sunday 5:00-9:00 pm.

During the summer (May - September) the Ask A Librarian hours are Monday - Friday 10:00 am - 5:00 pm.

There may be periods during this time when the service is unavailable. If that is the case, please contact us by one of the other means on the following page.

Use of Ask a Librarian services is limited to Columbia University faculty, students, staff, and alumni; and to those with questions specific to the Columbia University Libraries, the use of its collections, and its policies. If you’re not affiliated with Columbia University, please direct your query to your local public, state, or academic library.