Its not really a fixed number. On a day that I can do some coding or assignments I do not visit it for more than 30mins I think (I count reading articles listed

Its not really a fixed number. On a day that I can do some coding or assignments I do not visit it for more than 30mins I think (I count reading articles listed on HN as being on HN), but when I cannot or do not want to do anything I can access HN from anywhere.