Common date-time format strings

PS C:\> Get-Date -Format "yyyy-MMM-dd-hhmmtt"

Format pattern	Explanation
tt	A.M./P.M. designator
ss	Seconds with leading zero
mm	Minutes with leading zero
dd	Day of the month with leading zero
dddd	Full name of the day of the week
hh	12 hour clock with leading zero
HH	24 hour clock with leading zero
MM	Numeric month with leading zero
MMM	Abbreviated month name
MMMM	Full month name
yy	Two digit year
yyyy	Four digit year

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