diff --git a/activesupport/lib/active_support/core_ext/numeric/time.rb b/activesupport/lib/active_support/core_ext/numeric/time.rb
index ef32817f55..98716383f4 100644
--- a/activesupport/lib/active_support/core_ext/numeric/time.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/time.rb
@@ -1,6 +1,8 @@
 require 'active_support/duration'
 require 'active_support/core_ext/time/calculations'
 require 'active_support/core_ext/time/acts_like'
+require 'active_support/core_ext/date/calculations'
+require 'active_support/core_ext/date/acts_like'
 
 class Numeric
   # Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years.