Week number from a date

Hi guys, Is there a way to have the week number when a date is given? Ex: 2016/01/13 gives 2, 2016/01/19 gives 3, and so on TIA Davide -- View this message in context: http://forum.world.st/Week-number-from-a-date-tp4894484.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.