Get-Office365CalendarAvailability

#this is the actual call, but for this scripts focus it should be commented out
#$CalEvents = Invoke-RestMethod -Uri "https://outlook.office365.com/api/v1.0/users/me/calendarview?startDateTime=$(Get-Date)&endDateTime=$((Get-Date).AddDays(7))&`$top=10" -Credential $cred

#You an grab this from here: https://gist.github.com/MSAdministrator/bb18fa1d764aaaa64368edcdb36af35c
$CalEvents = Import-CliXML 'C:\users\$($env:username)\Desktop\CalEventsObject.xml'


$i = $(Get-Date)

foreach ($item in $CalEvents)
{
    $DayTime = @()

    $date = "{0:MMMM, d}" -f [datetime]$item.start

    for ($i = $i; $i -lt $i.AddDays(7); $i.AddDays(1))
    {
        if ($date -like $i.ToString("MMMM, d"))
        {
            for ($b = 8; $b -le 17; $b++)
            { 

                $StartDayTime = @()
                if ([datetime]$item.Start -match "$($b):00")
                {
                    $StartDayTime = "$($b):00 to $($b + 1):00 - Busy" #"{0:H:mm}" -f [datetime]$item.End) - Busy"
                }
                else
                {
                    $StartDayTime = "$($b):00 to $($B + 1):00 - Free"
                }

                $DayTime += $StartDayTime

                $StartDayTime = @()

                #write-host "Start Time: $StartDayTime"
            }
        }
    }
    $DayTime | sort -Descending -Unique
}