https://rubygems.org/gems/timewarp
# pass your previous Time object
> TimeWarp.set_delta_time Time.new(2006, 01, 02, 13, 43, 51)
=> 2006-01-02 13:43:51 -0700TimeWarp.years_ago
# => 7TimeWarp.months_ago
# => 5Planned for future release.
TimeWarp.days_ago
# => 22TimeWarp.days_ago
# => 22TimeWarp.minutes_ago
# => 20TimeWarp.seconds_ago
# => 45