Day of Week

<<September29/2018>>
Fifth(5th)Saturday(Last Saturday)
bYear<<bMonth<Today>aMonth>>aYear
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NOW:
[TRIVIA]Name of the days of the week is called YOUBI(曜日) in Japanese.Is this name short and good?
REFERENCE
TARGET:1600-2100 of the Gregorian calendar
Day of Week in Month calculator
Since2013