[appusr@appsrv01 google_product_feed]$ crontab -e
crontab: installing new crontab
"/tmp/crontab.IXusDK":4: bad day-of-week
errors in crontab file, can't install.
Do you want to retry the same edit?

The cron I'm setting is:

5 20 * * 1 ~/applications/google_product_feed/res/_reloadAll.sh
5 20 * * 2-31 ~/applications/google_product_feed/res/_updateAll.sh