change(options)
Instance Public methods
Returns a new DateTime where one or more of the
elements have been changed according to the options
parameter.
The time options (:hour
, :min
, :sec
)
reset cascadingly, so if only the hour is passed, then minute and sec is
set to 0. If the hour and minute is passed, then sec is set to 0. The
options
parameter takes a hash with any of these keys:
:year
, :month
, :day
,
:hour
, :min
, :sec
,
:offset
, :start
.
DateTime.new(2012, 8, 29, 22, 35, 0).change(day: 1) # => DateTime.new(2012, 8, 1, 22, 35, 0) DateTime.new(2012, 8, 29, 22, 35, 0).change(year: 1981, day: 1) # => DateTime.new(1981, 8, 1, 22, 35, 0) DateTime.new(2012, 8, 29, 22, 35, 0).change(year: 1981, hour: 0) # => DateTime.new(1981, 8, 29, 0, 0, 0)
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