% qcal

# qcal new full day event
qcal -n "<date> <description>"

# qcal new event with startand end time
qcal -n "<date> <start-time> <end-time> <description>"

# qcal new repeating event
qcal -n "<date> <description>" -r <interval>

$ interval: printf "d\nw\nm\ny\n"