The value of the UtcTicks property represents the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight on January 1, 0001 (the value of MinValue). It does not include ticks that would be added by leap seconds. A nanosecond is one billionth of a second; there are ten million ticks in a second. The value of the UtcTicks property ranges from DateTimeOffset.MinValue.Ticks to DateTimeOffset.MaxValue.Ticks.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)