1 files changed, 6 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb
index 2b9f8c70f6..331416b3a9 100644
--- a/activesupport/lib/active_support/core_ext/string/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/string/conversions.rb
@@ -9,7 +9,9 @@ class String
 
   # Form can be either :utc (default) or :local.
   def to_time(form = :utc)
-    ::Time.send("#{form}_time", *::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec).map { |arg| arg || 0 })
+    d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction).map { |arg| arg || 0 }
+    d[6] *= 1000000
+    ::Time.send("#{form}_time", *d)
   end
 
   def to_date
@@ -17,6 +19,8 @@ class String
   end
 
   def to_datetime
-    ::DateTime.civil(*::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec).map { |arg| arg || 0 })
+    d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :sec_fraction).map { |arg| arg || 0 }
+    d[5] += d.pop
+    ::DateTime.civil(*d)
   end
 end