If you convert 1608821048 , you get Thursday, December 24, 2020, at 2:44:08 PM UTC .
We’ve all been there. You’re scouring a forum for a niche driver, a lost game patch, or a specific set of research data, and you find it: a direct download link. But instead of a helpful name like Project_Final_v2.zip , you’re greeted by a cold, 10-digit string of digits.
What’s in a (file)name? - Geneva Graduate Institute Library Blog
This suggests the file was generated, uploaded, or backed up on Christmas Eve 2020. Many automated scripts rename files this way to ensure they are unique and sorted chronologically. 2. Why Use a .RAR Instead of a .ZIP?