The integer portion of the DateTime value indicates the number of days that have elapsed since January 1st, 1900, and the fractional portion of the DateTime value indicates the fraction of the day that has passed since midnight. DateTime is a double-precision decimal value. It allows accessing millisecond time stamps of the bar.
Usage
DateTime
Example
DateTime will return 41422.74 for 5/28/2013 08:41:11.813