tontonan
How to Calculate The day of the week from the Date in Seconds.(Calendar Problem). Mental Maths- 11
Date Difference between Two dates Days Months Years || Age Calculator in jQuery
EXCEL - Hours & Minutes difference between two Dates & Times
Counting Days Between Dates in Excel
MS Excel - Date Functions Part 1
Aptitude Made Easy - Problems on Calendar, Basics and Methods, Shortcuts, Time and Date
Complete method: how to find the week-day for any date?
due date calculator