Inspecting an NWB file using hdf5view shows field session_start_time and file_create_date.
Both are equals while the session_start_time should be set to the day of the experiment
The allensdk should be organized differently, with the sdk primarily residing within the allensdk folder in the parent folder. I believe that the original commit by myself was done incorrectly, resulting in folder such as brain observatory existing in the parent folder.