end_of_hour()
public
Returns a new Time representing the end of the
hour, x:59:59.999999 (.999999999 in ruby1.9)
# File activesupport/lib/active_support/core_ext/time/calculations.rb, line 199
def end_of_hour
change(
:min => 59,
:sec => 59,
:usec => Rational(999999999, 1000)
)
end