[Bonanza]

Annie66 is correct. How long, how many days, etc., is determined by a few things.
In addition to the type of sprinkler heads your property has -- that is the most important thing in determining how long each zone should run.
Plants and shrubs in stones need much more water than when mulched because the stones bake in the sun.
In the heat of the summer, nothing ever died that was watered properly every other day.