gistfile1.sh

#!/bin/bash

function check {
  when=$(date --date="$1 15:00" --utc)
  echo -n "$when: "
  # run design mixer every other monday starting from jan 5 2015
  ((($(date +%s --date="$when") + 259200) / 86400 % 14)) && echo run || echo skip
  # run manager mixer every other monday starting from jan 12 2015
  #((($(date +%s --date="$when") + 864000) / 86400 % 14)) && echo run || echo skip
}

for start in "2015-01-05"; do
  for x in $(seq 0 24); do
    check "$start + $(($x * 7)) days"
  done
  echo
done