What is Unix Time?
Unix Time is the number of seconds that have elapsed since midnight UTC on January 1, 1970.
Unix time was set around the time when Unix was developed by Ken Thompson and Dennis Ritchie. The Unix Time system divides days into 24 hours, each hour into 60 minutes, and each minute into 60 seconds.
The UNIX time system is often used in UNIX-based operating systems, including Android, macOS, and Unix-like computer systems.
Decades ago, when many of today's current programmers were born or were in their formative years, they were taught to use the UNIX date format.
Tips for Understanding Unix Time in Your Everyday Life
Unix Time is the time measured in seconds, with a resolution of 1/100th of a second.
Unix time 0 at midnight on January 1, 1970. This may not be what you think it is. Unix time was designed to keep computers in step with each other, which means that they are all based on the same calendar date.
The majority of Unix-like operating systems use UTC (Coordinated Universal Time) as their default time system. It's basically the same as Greenwich Mean Time (GMT).