Converting schedule days of week

dow.py

from dateutil import rrule, relativedelta
from django.utils.timezone import now, get_default_timezone
import pytz

def main(datetime, weekdays):
    tz_day = datetime.weekday()
    print "TZ Day:", tz_day
    utc_day = datetime.astimezone(pytz.utc).weekday()
    print "UTC Day:", utc_day
    weekdays = [eval('rrule.%s.weekday' % day) for day in weekdays]
    
    # Check to see if schedule day[0] = start_date.day
    
    if utc_day > tz_day:
        # Change schedule d/o/w to be utc_day
        for i, day in enumerate(weekdays):
            if day == 6:
                weekdays[i] = 0
            else:
                weekdays[i] += 1
    elif utc_day < tz_day:
        # Change schedule d/o/w to be utc_day
        for i, day in enumerate(weekdays):
            if day == 0:
                weekdays[i] = 6
            else:
                weekdays[i] -= 1
    else:
        # Do nothing
        pass

    weekdays = [str(rrule.weekday(day)) for day in weekdays]
    
    print  weekdays 

if __name__ == '__main__':
    time = now() + relativedelta.relativedelta(days=+1)
    time = time.astimezone(get_default_timezone())
    weekdays = ['SU', 'MO', 'SA', 'WE']
    main(time, weekdays)
    time = time + relativedelta.relativedelta(months=+1, hour=+10)
    main(time, weekdays)
    time = time + relativedelta.relativedelta(hour=+6)
    time = time.astimezone(pytz.timezone('Pacific/Auckland'))
    main(time, weekdays)