# File lib/active_support/core_ext/time/calculations.rb, line 126 def since(seconds) f = seconds.since(self) if ActiveSupport::Duration === seconds f else initial_dst = self.dst? ? 1 : 0 final_dst = f.dst? ? 1 : 0 (seconds.abs >= 86400 && initial_dst != final_dst) ? f + (initial_dst - final_dst).hours : f end rescue self.to_datetime.since(seconds) end