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Set-Date

JuanPablo Jofre|Last Updated: 12/22/2016
|
3 Contributors

SYNOPSIS

Changes the system time on the computer to a time that you specify.

SYNTAX

Date (Default)

Set-Date [-Date] <DateTime> [-DisplayHint <DisplayHintType>] [-WhatIf] [-Confirm] [<CommonParameters>]

Adjust

Set-Date [-Adjust] <TimeSpan> [-DisplayHint <DisplayHintType>] [-WhatIf] [-Confirm] [<CommonParameters>]

DESCRIPTION

The Set-Date cmdlet changes the system date and time on the computer to a date and time that you specify. You can specify a new date and/or time by typing a string or by passing a DateTime or TimeSpan object to Set-Date. To specify a new date or time, use the Date parameter. To specify a change interval, use the Adjust parameter.

EXAMPLES

Example 1: Add three days to the system date

PS C:\> Set-Date -Date (Get-Date).AddDays(3)

This command adds three days to the current system date. It does not affect the time. The command uses the Date parameter to specify the date. It uses the Get-Date cmdlet to get the current date and time and applies the AddDays .NET method for DateTime objects with a value of 3 (days).

Example 2: Set the system clock back 10 minutes

PS C:\> Set-Date -Adjust -0:10:0 -DisplayHint Time

This command sets the current system time back by 10 minutes. It uses the Adjust parameter to specify an interval of change and the time change (minus ten minutes) in standard time format for the locale. The DisplayHint parameter tells Windows PowerShell to display only the time, but it does not affect the DateTime object that Set-Date returns.

Example 3: Set the date and time to a variable value

PS C:\> $T = Get-Date
PS C:\> Set-Date -Date $T

These commands change the system date and time on the computer to the date and time saved in the variable $T. The first command gets the date and stores it in $T. The second command uses the Date parameter to pass the DateTime object in $T to the Set-Date cmdlet.

Example 4: Add 90 minutes to the system clock

PS C:\> $90mins = New-TimeSpan -Minutes 90
PS C:\> Set-Date -Adjust $90mins

These commands advance the system time on the local computer by 90 minutes. The first command uses the New-TimeSpan cmdlet to create a TimeSpan object with a 90-minute interval, and then it saves the TimeSpan object in the $90mins variable. The second command uses the Adjust parameter of Set-Date to adjust the date by the value of the TimeSpan object in the $90mins variable.

PARAMETERS

-Adjust

Specifies the value for which this cmdlet adds or subtracts from the current date and time. can type an adjustment in standard date and time format for your locale or use the Adjust parameter to pass a TimeSpan object from New-TimeSpan to Set-Date.

Type: TimeSpan
Parameter Sets: Adjust
Aliases: 

Required: True
Position: 0
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Confirm

Prompts you for confirmation before running the cmdlet.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: cf

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-Date

Changes the date and time to the specified values. You can type a new date in the short date format and a time in the standard time format for your locale. Or, you can pass a DateTime object from Get-Date.

If you specify a date, but not a time, Set-Date changes the time to midnight on the specified date. If you specify only a time, it does not change the date.

Type: DateTime
Parameter Sets: Date
Aliases: 

Required: True
Position: 0
Default value: None
Accept pipeline input: True (ByPropertyName, ByValue)
Accept wildcard characters: False

-DisplayHint

Specifies which elements of the date and time are displayed.The acceptable values for this parameter are:

  • Date. displays only the date.
  • Time. displays only the time.
  • DateTime. displays the date and time.

This parameter affects only the display. It does not affect the DateTime object that Get-Date retrieves.

Type: DisplayHintType
Parameter Sets: (All)
Aliases: 
Accepted values: Date, Time, DateTime

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: wi

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters (http://go.microsoft.com/fwlink/?LinkID=113216).

INPUTS

System.DateTime

You can pipe a date to Set-Date.

OUTPUTS

System.DateTime

Set-Date returns an object that represents the date that it set.

NOTES

  • Use this cmdlet cautiously when changing the date and time on the computer. The change might prevent the computer from receiving system-wide events and updates that are triggered by a date or time. Use the WhatIf and Confirm parameters to avoid errors.
  • You can use standard .NET methods with the DateTime and TimeSpan objects used with Set-Date, such as AddDays, AddMonths, and FromFileTime. For more information, see DateTime Methodshttps://msdn.microsoft.com/en-us/library/system.datetime_methods(v=vs.110).aspx and TimeSpan Methodshttps://msdn.microsoft.com/en-us/library/system.timespan_methods(v=vs.110).aspx.

Get-Date

New-TimeSpan

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