How do i set different bandwidth in Day/Night

I’m using PPPoE to provide internet to my clients. I want to provide double bandwidth to my clients at night time. how can i configure this. I’m not good with mikrotik. Somebody please give me the solution with example.
Thanks in advance.

http://wiki.mikrotik.com/wiki/Different_bandwidth_in_day_and_night_for_several_categories_of_users


http://wiki.mikrotik.com/wiki/Limit_Different_Bandwidth_In_Day_and_Night


http://mikrotikroutersetup.blogspot.com/2014/02/mikrotik-limit-different-queue-bandwidth-in-day-night.html



etc..

I’m using PPPoE and Different profiles for limiting bandwidth ! So how can set different bandwidth for night time here? please help