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require 'date'
require 'active_support/core_ext/time/zones'
class DateTime
# Returns the simultaneous time in <tt>Time.zone</tt>.
#
# Time.zone = 'Hawaii' # => 'Hawaii'
# DateTime.new(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00
#
# This method is similar to Time#localtime, except that it uses <tt>Time.zone</tt>
# as the local zone instead of the operating system's time zone.
#
# You can also pass in a TimeZone instance or string that identifies a TimeZone
# as an argument, and the conversion will be based on that zone instead of
# <tt>Time.zone</tt>.
#
# DateTime.new(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00
def in_time_zone(zone = ::Time.zone)
if zone
ActiveSupport::TimeWithZone.new(utc? ? self : getutc, ::Time.find_zone!(zone))
else
self
end
end
end
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