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New-TimeSpan

Creates a TimeSpan object.

Syntax

Date (Default)

New-TimeSpan
    [[-Start] <DateTime>]
    [[-End] <DateTime>]
    [<CommonParameters>]

Time

New-TimeSpan
    [-Days <Int32>]
    [-Hours <Int32>]
    [-Minutes <Int32>]
    [-Seconds <Int32>]
    [-Milliseconds <Int32>]
    [<CommonParameters>]

Description

The New-TimeSpan cmdlet creates a TimeSpan object that represents a time interval. You can use a TimeSpan object to add or subtract time from DateTime objects.

Without parameters, a New-TimeSpan command returns a TimeSpan object that represents a time interval of zero.

Examples

Example 1: Create a TimeSpan object for a specified duration

This command creates a TimeSpan object with a duration of 1 hour and 25 minutes and stores it in a variable named $TimeSpan. It displays a representation of the TimeSpan object.

$TimeSpan = New-TimeSpan -Hours 1 -Minutes 25
$TimeSpan
Days              : 0
Hours             : 1
Minutes           : 25
Seconds           : 0
Milliseconds      : 0
Ticks             : 51000000000
TotalDays         : 0.0590277777777778
TotalHours        : 1.41666666666667
TotalMinutes      : 85
TotalSeconds      : 5100
TotalMilliseconds : 5100000

Example 2: Create a TimeSpan object for a time interval

This example creates a new TimeSpan object that represents the interval between the time that the command is run and January 1, 2010.

This command doesn't require the Start parameter, because the default value of the Start parameter is the current date and time.

New-TimeSpan -End (Get-Date -Year 2010 -Month 1 -Day 1)

Example 3: Get the date 90 days from the current date

$90days = New-TimeSpan -Days 90
(Get-Date) + $90days

These commands return the date that is 90 days after the current date.

Example 4: Discover the TimeSpan since a file was updated

This command tells you how long it has been since the about_Remote help file was last updated. You can use this command format on any file, or any other object that has a LastWriteTime property.

This command works because the Start parameter of New-TimeSpan has an alias of LastWriteTime. When you pipe an object that has a LastWriteTime property to New-TimeSpan, PowerShell uses the value of the LastWriteTime property as the value of the Start parameter.

Get-ChildItem $PSHOME\en-US\about_remote.help.txt | New-TimeSpan
Days              : 321
Hours             : 21
Minutes           : 59
Seconds           : 22
Milliseconds      : 312
Ticks             : 278135623127728
TotalDays         : 321.916230471907
TotalHours        : 7725.98953132578
TotalMinutes      : 463559.371879547
TotalSeconds      : 27813562.3127728
TotalMilliseconds : 27813562312.7728

Parameters

-Days

Specifies the days in the time span. The default value is 0.

Parameter properties

Type:Int32
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

Time
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-End

Specifies the end of a time span. The default value is the current date and time.

Parameter properties

Type:DateTime
Default value:Current date and time
Supports wildcards:False
DontShow:False

Parameter sets

Date
Position:1
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:True
Value from remaining arguments:False

-Hours

Specifies the hours in the time span. The default value is 0.

Parameter properties

Type:Int32
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

Time
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Milliseconds

Specifies the length of the time span in milliseconds. The default value is 0.

Parameter properties

Type:Int32
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

Time
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Minutes

Specifies the minutes in the time span. The default value is 0.

Parameter properties

Type:Int32
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

Time
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Seconds

Specifies the length of the time span in seconds. The default value is 0.

Parameter properties

Type:Int32
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

Time
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Start

Specifies the start of a time span. Enter a string that represents the date and time, such as "3/15/09" or a DateTime object, such as one from a Get-Date command. The default value is the current date and time.

You can use Start or its alias, LastWriteTime. The LastWriteTime alias lets you pipe objects that have a LastWriteTime property, such as files in the file system ([IO.FileInfo]), to the Start parameter of New-TimeSpan.

Parameter properties

Type:DateTime
Default value:Current date and time
Supports wildcards:False
DontShow:False
Aliases:LastWriteTime

Parameter sets

Date
Position:0
Mandatory:False
Value from pipeline:True
Value from pipeline by property name:True
Value from remaining arguments:False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

Inputs

DateTime

You can pipe a DateTime object representing the start time to this cmdlet.

Outputs

TimeSpan

This cmdlet returns an object representing the time span.