Use Cmd + Space (Spotlight) and paste the full filename.
Search for "August 7 2018" in the search bar.
Go to your "Videos" folder and scroll to August 2018.
If you are looking for this specific file on your computer or cloud storage, try these steps:
Most Samsung Galaxy and Google Pixel phones use this exact naming convention ( YYYYMMDD_HHMMSS ).
💡 If you found this on an old SD card or hard drive, it is likely a personal memory (like a vacation video or a morning clip) from that specific Tuesday in 2018.