How many days until Christmas?

days_to_christmas.ps1

#
# How many days until Christmas?
#

function DaysToXmas()
{
  $now = Get-Date
  $Xmas = Get-Date -Day 25 -Month 12
    
  if ($now -gt $Xmas) {
    $Xmas = Get-Date -Day 25 -Month 12 -Year ($now.Year + 1)
  }
    
  $diff = $Xmas.Subtract($now).Days
    
  if ($diff -eq 0) {
    Write-Host "Happy Christmas!"
  }
    
  return $diff
}