Represents the smallest possible value of DateTime. This field is read-only.
Value: 1/1/0001 12:00:00 AM
The value of this constant is equivalent to 00:00:00.0000000, January 1, 0001.
DateTime.MinValue defines the date and time that is assigned to an uninitialized DateTime variable. The following example illustrates this.
code reference: System.DateTime.MinValue#1
The DateTime.MinValue and DateTime.MaxValue properties can be used to ensure that a value lies within the supported range before passing it to a DateTime constructor. The code in the Example section illustrates this usage.