People tend to check in during these times:
Check in at The New York Public Library and learn about exciting events, reserve books online, and download eBooks for free.
By far the coolest room in the New York Public Library. Awesome place for folks that love all things geography and maps to get their geek on.
The "no headphones" policy is strictly enforced in the reading room
The Three Faiths exhibition is great. Checkit yooooo!
New exhibition "Three Faiths"! See Jewish, Christian and Islamic manuscrips and printed books from the NYPL collection
Great map collection. Open to the public.