I believe datetime is a Python datetime.datetime object and gets validated by IS_DATETIME().
http://docs.python.org/library/datetime.html#datetime.datetime http://web2py.com/book/default/chapter/07?search=IS_DATETIME
I believe datetime is a Python datetime.datetime object and gets validated by IS_DATETIME().
http://docs.python.org/library/datetime.html#datetime.datetime http://web2py.com/book/default/chapter/07?search=IS_DATETIME