Start Time indicates when the DLLR Object starts to record demand profile data.
The Start Time depends on the situation. For example, at startup, the Start Time is set to when the controller was restarted. If the Profile Tracking Period has expired, Start Time is set to when the next tracking period begins.
The Start Time is also reset if the Profile Tracking Period is changed, a Reset Profile command is issued to the DLLR object while in Shed or Monitor Only mode, a Reset Initialization Parameters command is issued to the DLLR object while in Monitor Only mode, or the controller is downloaded. Note that the Start Time is not reset when DLLR changes from Monitor Only mode to Shed mode.
See the How Daylight Saving Time Affects Start Times and End Times section.