Time extensions are an unsung hero of Active Support - Andy Croll

In Active Support‘s extensions to the core Ruby classes, some of the most useful and plentiful are related to Time.One of Rails’s founding uses was to provide helpful, reusable methods for regularly performed tasks. In our web applications we‘re often working with times and dates.Enter the methods from DateAndTime::Calculations. To find out more check out out the API documentation or the DateTime section in the Core Extensions Rails guide.