get
Gets the start time of day for this schedule's active period.
The schedule is active on or after this time of day. The date components (year, month, day) of this Date object are generally ignored; only the time portion is considered.
Return
A Date representing the time of day (e.g., 09:00:00) when the schedule becomes active. Can be null if the schedule is active from the beginning of the day (00:00:00).