Extract day of year and Julian day from a string date

First, you can convert it to a datetime.datetime object like this: >>> import datetime >>> fmt=”%Y.%m.%d” >>> s=”2012.11.07″ >>> dt = datetime.datetime.strptime(s, fmt) >>> dt datetime.datetime(2012, 11, 7, 0, 0) Then you can use the methods on datetime to get what you want… except that datetime doesn’t have the function you want directly, so you … Read more