xcode swift am/pm time to 24 hour format -

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i trying convert am/pm format time 24 hour format time

6:35 pm 18:35

i tried piece of code on playground doesnt seem work if put time alone

let dateasstring = "02/12/15, 6:35 pm" let dateformatter = nsdateformatter() dateformatter.dateformat = "hh" let date = dateformatter.datefromstring(dateasstring) //returns nil

does know how accomplish this?

thank you.

just convert date using nsdateformatter , "h:mm a" format , convert string using "hh:mm" format. check out date formatting guide familiarize material.

let dateasstring = "6:35 pm" let dateformatter = nsdateformatter() dateformatter.dateformat = "h:mm a" let date = dateformatter.datefromstring(dateasstring)  dateformatter.dateformat = "hh:mm" let date24 = dateformatter.stringfromdate(date!)

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