Ruby Tuesday – Date#wday

Today’s Ruby Tuesday is on Date#wday.

Date#wday returns an integer value for the day of the week that the day falls on.

Date.new(2015, 4, 7).wday
# => 2
Date.new(1970, 1, 1).wday
# => 4
Date.new(1, 1, 1).wday
# => 6

The values that Date#wday can return will be between 0-6, with 0 being Sunday.

Date.new(2015, 4, 5).wday
# => 0
Date.new(2015, 4, 5).sunday?
# => true
Date.new(2015, 4, 11).wday
# => 6
Date.new(2015, 4, 11).saturday?
# => true

–Proctor

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