Renamed folder Scripts to scripts

scripts/check-moon-phase.ps1

@@ -0,0 +1,43 @@
+<#
+.SYNOPSIS
+	Checks the Moon phase
+.DESCRIPTION
+	This PowerShell script determines the Moon phase and answers by text-to-speech (TTS).
+.EXAMPLE
+	PS> ./check-moon-phase
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+try {
+	$LunarCycle = 29.53058868 # synodic period in days, time between successive new moons
+	$LunarHalfCycle = $LunarCycle / 2.0
+	$Phases = @("New moon", "Waxing crescent moon", "First quarter moon", "Waxing gibbous moon", "Full moon", "Waning gibbous moon", "Last quarter moon", "Waning crescent moon")
+	$PhaseLength = $LunarCycle / 8.0
+	$PhaseHalfLength = $PhaseLength / 2.0
+
+	$RefDate = get-date -Year 2021 -Month 12 -Day 4 -Hour 6 -Minute 43 # Dec 4, 2021 06:43 UTC [New Moon]
+	$Now = get-date
+	$TimeInterval = New-TimeSpan -Start $RefDate -End $Now
+	$Days = $TimeInterval.TotalDays
+
+	$MDays = $Days % $LunarCycle
+	$PhaseIndex = [int]($MDays * (8.0 / $LunarCycle))
+
+	$Visibility = [math]::Round((($Days % $LunarHalfCycle) * 100) / $LunarHalfCycle)
+	$Reply = "$($Phases[$PhaseIndex]) with $($Visibility)% visibility"
+
+	$MoonAge = [math]::Round($Days % $LunarCycle)	
+	if ($MoonAge -eq "0") {	      $Reply += " today"
+	} elseif ($MoonAge -eq "1") { $Reply += " since yesterday"
+	} else {                      $Reply += ", last new moon was $MoonAge days ago"
+	}
+
+	& "$PSScriptRoot/speak-english.ps1" "$Reply"
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}