Joseph Adams April 28, 2014:  Updated How to calculate difference between dates (markdown) [6f7f384]
Joseph Adams April 28, 2014:  Updated How to calculate difference between dates (markdown) [29b6e32]
Joseph Adams April 28, 2014:  Updated How to calculate difference between dates (markdown) [6bca7e1]
Joseph Adams April 01, 2014:  Renamed How to calculate difference between dates to /FAQ/Questions/How to calculate difference between dates [73843aa]