R(config)# time-rage TIME-RANGE
R(config-time-range)# periodic DAYS-OF-WEEK HH:MM to [DAYS-OF-WEEK] HH:MM
! adds a recurring time to the time-range
! DAYS-OF-WEEK: daily (M-S), weekdays(M-F), weekend(S,S), Monday, Tuesday, ...
R(config-time-range)# absolute [start TIME DATE][end TIME DATE]
! adds an absoulte time to the time-range
! Only one absolute time is permitted in one time-range