How to get unread articles from the past hour using google reader api

Question

I m able to get 20 unread articles using this http://www.google.com/reader/atom/user/[userid]/state/com.google/reading-list?n=20'

How do I get all unread articles within the past 1hour?

Answer 1

http://www.google.com/reader/atom/user/[userid]/state/com.google/reading-list?n=1000&ot=[current epoch time - 3600]&r=n&xt=user/-/state/com.google/read

&r=n desc order, &r=o asc order