Let Valley® do your center pivot irrigation run time calculations with the free Valley Irrigation Run Time™ mobile app. This run time calculator eliminates errors from calculations done with paper and pen, as well as allows you to keep your calculation information with you at all times – on your phone. No matter what brand of center pivot you operate, you can be assured that Valley Irrigation Run Time will simplify your day. Benefits include: • Reliable – trust in an app designed and developed