DateAndTime Class

The DateAndTime module contains the procedures and properties used in date and time operations.

Inheritance Hierarchy

System.Object
  Microsoft.VisualBasic.DateAndTime

Namespace:  Microsoft.VisualBasic
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

Syntax

'Declaration
<StandardModuleAttribute> _
Public NotInheritable Class DateAndTime
[StandardModuleAttribute]
public sealed class DateAndTime

The DateAndTime type exposes the following members.

Properties

  Name Description
Public propertyStatic member DateString Returns or sets a String value representing the current date according to your system.
Public propertyStatic member Now Returns a Date value containing the current date and time according to your system.
Public propertyStatic member TimeOfDay Returns or sets a Date value containing the current time of day according to your system.
Public propertyStatic member Timer Returns a Double value representing the number of seconds elapsed since midnight.
Public propertyStatic member TimeString Returns or sets a String value representing the current time of day according to your system.
Public propertyStatic member Today Returns or sets a Date value containing the current date according to your system.

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Methods

  Name Description
Public methodStatic member DateAdd(DateInterval, Double, DateTime) Returns a Date value containing a date and time value to which a specified time interval has been added.
Public methodStatic member DateAdd(String, Double, Object) Returns a Date value containing a date and time value to which a specified time interval has been added.
Public methodStatic member DateDiff(DateInterval, DateTime, DateTime, FirstDayOfWeek, FirstWeekOfYear) Returns a Long value specifying the number of time intervals between two Date values.
Public methodStatic member DateDiff(String, Object, Object, FirstDayOfWeek, FirstWeekOfYear) Returns a Long value specifying the number of time intervals between two Date values.
Public methodStatic member DatePart(DateInterval, DateTime, FirstDayOfWeek, FirstWeekOfYear) Returns an Integer value containing the specified component of a given Date value.
Public methodStatic member DatePart(String, Object, FirstDayOfWeek, FirstWeekOfYear) Returns an Integer value containing the specified component of a given Date value.
Public methodStatic member DateSerial Returns a Date value representing a specified year, month, and day, with the time information set to midnight (00:00:00).
Public methodStatic member DateValue Returns a Date value containing the date information represented by a string, with the time information set to midnight (00:00:00).
Public methodStatic member Day Returns an Integer value from 1 through 31 representing the day of the month.
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodStatic member Hour Returns an Integer value from 0 through 23 representing the hour of the day.
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodStatic member Minute Returns an Integer value from 0 through 59 representing the minute of the hour.
Public methodStatic member Month Returns an Integer value from 1 through 12 representing the month of the year.
Public methodStatic member MonthName Returns a String value containing the name of the specified month.
Public methodStatic member Second Returns an Integer value from 0 through 59 representing the second of the minute.
Public methodStatic member TimeSerial Returns a Date value representing a specified hour, minute, and second, with the date information set relative to January 1 of the year 1.
Public methodStatic member TimeValue Returns a Date value containing the time information represented by a string, with the date information set to January 1 of the year 1.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Public methodStatic member Weekday Returns an Integer value containing a number representing the day of the week.
Public methodStatic member WeekdayName Returns a String value containing the name of the specified weekday.
Public methodStatic member Year Returns an Integer value from 1 through 9999 representing the year.

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Remarks

This module supports the Visual Basic language keywords and run-time library members that get the current date or time, perform date calculations, return a date or time, set the date or time, or time the duration of a process.

Examples

This example uses the Today property to return the current system date.

Dim thisDate As Date
thisDate = Today 

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference