prev_week(start_day = Date.beginning_of_week)public
Returns a new date/time representing the given day in the previous week. Week is assumed to start on start_day, default is Date.beginning_of_week or config.beginning_of_week when set. DateTime objects have their time set to 0:00.
# File activesupport/lib/active_support/core_ext/date_and_time/calculations.rb, line 149 def prev_week(start_day = Date.beginning_of_week) first_hour(weeks_ago(1).beginning_of_week.days_since(days_span(start_day))) end