New posts in Timestamps

Directory "recursive" last modified date

Accurate timestamping in Bash with printf (not a trivial problem)

Bash: calculate the time elapsed between two timestamps

Compare two file modification dates

stat: modification timestamp of a file

How to set (find) atime in seconds?

How do I append/prepend a timestamp to grep output?

Where is Unix Time / Official Time Measured?

UNIX Seconds, TAI (SI) Seconds, Leap Seconds, and Real-World Code

Piping into moreutils' ts with nanosecond precision?