@kenbob This has been addressed and fixed in the latest code posted on Ray’s Github. Please update your OSPi program from here: https://github.com/rayshobby/opensprinkler/tree/master/OpenSprinkler%20Pi/software/demos/interval_program
You will notice the Jun 22, 2013 update which addresses every bug that has been discussed in this forum and is 100% compatible with my mobile application.