Broken DateTime based Range#include?

gistfile1.txt

[38] pry(main)> RUBY_DESCRIPTION
=> "ruby 2.2.1p85 (2015-02-26 revision 49769) [x86_64-darwin12.0]"

[41] pry(main)> d = "2015-01-01"
=> "2015-01-01"

# Broken Range#include? with DateTime objects, they don't understand the time portion of the day.
[42] pry(main)> n = DateTime.parse "#{d} 9am"
=> #<DateTime: 2015-01-01T09:00:00+00:00 ((2457024j,32400s,0n),+0s,2299161j)>
[43] pry(main)> f = DateTime.parse "#{d} 5pm"
=> #<DateTime: 2015-01-01T17:00:00+00:00 ((2457024j,61200s,0n),+0s,2299161j)>
[44] pry(main)> (n..f).include? DateTime.parse "#{d} 12pm"
=> false

# Oops, need stdlib's time for #parse().
[45] pry(main)> Time.parse d
NoMethodError: undefined method `parse' for Time:Class
[47] pry(main)> require 'time'
=> true

[50] pry(main)> n = Time.parse "#{d} 9am"
=> 2015-01-01 09:00:00 -0500
[51] pry(main)> f = Time.parse "#{d} 5pm"
=> 2015-01-01 17:00:00 -0500
[53] pry(main)> noon = Time.parse "#{d} 12pm"
=> 2015-01-01 12:00:00 -0500

# Range cannot iterate with Time objects..
[54] pry(main)> (n..f).include? Time.parse "#{d} 12pm"
TypeError: can't iterate from Time
from (pry):53:in `each'

# So test it old-school " <= && <= ".
[55] pry(main)> n <= noon && noon <= f
=> true

[56] pry(main)> eight = Time.parse "#{d} 8pm"
=> 2015-01-01 20:00:00 -0500
[57] pry(main)> n <= eight && eight <= f
=> false