Doing Date Arithmetic : Date Calculation « Date « Ruby

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Ruby » Date » Date Calculation

Doing Date Arithmetic





require 'date'

puts y2k = Time.gm(2000, 1, 1)       # => Sat Jan 01 00:00:00 UTC 2000

puts y2k + 1                         # => Sat Jan 01 00:00:01 UTC 2000

puts y2k - 1                         # => Fri Dec 31 23:59:59 UTC 1999

puts y2k + (60 * 60 * 24 * 365)      # => Sun Dec 31 00:00:00 UTC 2000

Related examples in the same category

1.	Subtract 61 days from a date:
2.	Add and subtract six months using the >> and << methods.
3.	Doing DateTime Arithmetic
4.	Minus one DateTime from another
5.	Move DateTime
6.	leap year day
7.	Counting the Days Since an Arbitrary Date
8.	advent calendar
9.	Minus DateTime by day
10.	Remaining days

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