this theme is a bit special and needs the following in your
PowerShell profile to work correctly:
function Set-EnvVars {
$now = [DateTime]::Now
$env:DAYS = ([Datetime](“12/25/” + $now.Year) – $Now).Days
}
New-Alias -Name 'Set-PoshContext' -Value 'Set-EnvVars' -Scope Global -Force
happy holidays!