Bug#474934: Modification time: say UTC, or better yet say nothing
Apparently, these days, and oddly maybe only for PNG, a "Modification
time" is output:
04:38 ~$ xli *.png
horizontal.png is a 1024x768 8 bit deep RGB PNG image, gamma = 0.45455
Modification time: 2008/4/7 20:38:30
Hogwash, I just created it, as you can see by my prompt.
So unless you add "UTC", or use the current timezone, your date is invalid.
And perhaps don't mention the modification time, as that is what ls(1)