Product Create API - Product creation and modified time is not match as per GUI

Steps :

• Check in Admin side
  1. Go to Services > Products > Product list API
  2. Enter valid input for all parameters and check response
  3. Check creation_date and last_modified_date time in Response and match with GUI

Expected result : Product creation and modified time should be match as per GUI side

Actual result : Product creation and modified time is not match as per GUI.