Date Distance
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class Date
def distance_to(end_date)
years = end_date.year - year
months = end_date.month - month
days = end_date.day - day
if days < 0
days += 30
months -= 1
end
if months < 0
months += 12
years -= 1
end
{:years => years, :months => months, :days => days}
end
def distance_from_now
self.distance_to(Date.today)
end
end