Nine months after February 9th would be November 9th.
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78
Six months are between January and August. - February - March - April - May - June - July
It was on a Monday.
It was a Saturday.
August because it's six months later which is the half way point.
Febuary
February 9th, 1900 was a Friday.
Semi-Dead - 2009 Six Months Ago 1-5 was released on: USA: 20 February 2010
about six 180 = 6 x 30 though some months have 31 days, or 28 or 29 in February also.
tuesday