Date and Time

Date_Time_-_Calculating_the_Beginning_Ending_Date_of_a_Month

Date_Time_-_Converting_a_Number_to_Hours_Minutes,_Seconds

Date_Time_-_Determining_if_date_falls_on_weekend

Date_Time_-_Determining_leap_year

Date_Time_-_Returning_current_datetime

Date_Time_-_Returning_time_left_in_a_specified_time_period