diff --git a/app/inputs/date_time_picker_input.rb b/app/inputs/date_time_picker_input.rb
index 5af508c9..be6a4158 100644
--- a/app/inputs/date_time_picker_input.rb
+++ b/app/inputs/date_time_picker_input.rb
@@ -34,7 +34,7 @@ def formatted_input_value
 
     if v.is_a?(Time)
       return DateTime.new(v.year, v.month, v.day, v.hour, v.min, v.sec).strftime(
-        ActiveadminAddons.datetime_picker_input_format
+        options[:input_format] || ActiveadminAddons.datetime_picker_input_format
       )
     end
 
diff --git a/docs/date-time-picker.md b/docs/date-time-picker.md
index b453dcf9..43691a01 100644
--- a/docs/date-time-picker.md
+++ b/docs/date-time-picker.md
@@ -36,6 +36,8 @@ form do |f|
   f.actions
 ```
 
+You can also pass `input_format` to set DateTimePickerInput input format that should be expected from the backend. This option also be set globally in the options below.
+
 ## Overriding defaults
 
 You can modify, in the gem's setup block, the default options like this: