time_match = ((timecmp + ((x.end - x.begin) / 60)) - chktimecmp) * 60
elif chktimecmp <= timecmp < (chktimecmp + (duration / 60)):
time_match = ((chktimecmp + (duration / 60)) - timecmp) * 60
time_match = ((timecmp + ((x.end - x.begin) / 60)) - chktimecmp) * 60
elif chktimecmp <= timecmp < (chktimecmp + (duration / 60)):
time_match = ((chktimecmp + (duration / 60)) - timecmp) * 60