: The date the file was generated (September 18, 2022) in YYYYMMDD format.
Since these default filenames are hard for humans to read, a solid feature for a gallery or file management app would be . Download VID 20220918 WA0005 mp4
: The app automatically displays the file as "WhatsApp Video: Sunday, Sept 18, 2022 (5th of the day)" instead of the raw string. : The date the file was generated (September