def _get_datetimes(self, timestep=<NUM_LIT:1>):
start_moy = DateTime(self._month, self._day_of_month).moy<EOL>if timestep == <NUM_LIT:1>:<EOL><INDENT>start_moy = start_moy + <NUM_LIT:30><EOL><DEDENT>num_moys = <NUM_LIT> * timestep<EOL>return tuple(<EOL>DateTime.from_moy(start_moy + (i * (<NUM_LIT:1> / timestep) * <NUM_LIT>))<EOL>for i in xrange(num_moys)<EOL>)<EOL>
List of datetimes based on design day date and timestep.