This document discusses various date and time functions in Microsoft VisualBasic including DateAdd, DateDiff, DatePart, DateString, DateValue, Now, Second, TimeOfDay, TimeString, TimeValue, Today, WeekDay, and WeekDayName. It provides the arguments and usage for each function, describing what each one returns such as a date/time value, string, or integer. Controls like buttons, labels, and DateTimePickers are also mentioned.

1. DATE & TIME FUNCTIONSASHISH S. RAHURKAR

2. Microsoft.VisualBasic.DateAndTime NamespaceDateAddDateDiffDatePartDateStringDateValueNowSecondTimeOfDayTimeStringTimeValueTodayWeekDayWeekDayName

3. CONTROLS USEDButtonLabelDateTimePicker

4. CONTROL PROPERTIESBUTTONLABELNameTextNameTextFont

5. CONTROL PROPERTIES (CONTINUED)DateTimePickerNameValue

6. DateAddReturns date value to which a time interval has been added.Arguments:-Interval – DateInterval enumeration val (str)Number – (+,-) Double valueDateValue - date

7. DateDiffReturns Long value representing the time interval between two datesArguments:-IntervalDate1,Date2DayOfWeek – Optional, FirstDayOfWeek enumeration, default SundayWeekOfYear – Optional, FirstWeekOfYear enumeration, default Jan1

8. DatePartReturns an integer value representing the requested part of a date.Arguments:-IntervalDateValueDayOfWeekWeekOfYear

9. DateStringIt’s a propertyReturns or sets a string value representing the current date on your system

10. DateValueReturns a Date data type value containing the date represented by a string.Arguments:-DateString – (eg – January 15, 1994)

11. NowIt’s a property.Returns a date value containing the current date & time of your system

12. SecondReturns an integer value representing second of the minute of the date passedArgument:-TimeValue

13. TimeOfDayIt’s a propertyReturns time value containing the current date & time of your systemWhere date value is set to all 1’s

14. TimeStringIt’s a propertyReturns or sets a string value representing the current time of day according to your system

15. TimeValueReturns a date value representing the time of a string passedHere date value is set to all 1’sArguments:-TimeString – range from 1/1/1 00:00:00 to 12/31/9999 23:59:59

16. TodayIt’s a propertyReturns or sets a date value containing the current date according to your system

17. WeekDayReturns an integer value containing a number representing the day of the weekArguments:-DateValueDayOfWeek

18. WeekDayNameReturns a string value containing the name of the specified weekdayArguments:-WeekDay – 1 to 7Abbreviate – Optional boolean valueFirstDayOfWeekValue – FirstDayOfWeek.System is default