require 'date'
now_time = Time.new
now_datetime = DateTime.now
puts now_time.year
puts now_datetime.year
puts now_time.hour
puts now_datetime.hour
puts now_time.zone
puts now_datetime.zone
puts now_time.isdst
puts now_time.usec # => 247930
# That is, 247930 microseconds
puts now_datetime.sec_fraction # => Rational(62191, 21600000000)
# That is, about 287921 microseconds