The following example denies HTTP traffic on Monday through Friday between the hours of 8:00 am and 6:00 pm. The example allows UDP traffic on Saturday and Sunday from noon to midnight only.
time-range no-http
periodic weekdays 8:00 to 18:00
!
time-range udp-yes
periodic weekend 12:00 to 24:00
!
ip access-list extended strict
deny tcp any any eq http time-range no-http
permit udp any any time-range udp-yes
!
interface ethernet 0
ip access-group strict in