# Run on every second Tuesday of the month 20 4 8-14 * * test $(date +%u) -eq 2 && /usr/bin/bash /home/user/mytuesdayscript.sh Explanation: Run at 04:20 on every day-of-month from 8 through 14. 20   = 20th minute 4    = 4am 8-14 = between day 8 and day 14 (second week) *    = every month *   …