`exa -l --time-style=full-iso' truncates the timestamps to millisecond resolution.
`ls --full-time" gives the timestamps as they are stored by the file system, without alteration. For example the xfs timestamps and the FreeBSD ufs timestamps have nanosecond resolution.
As both the post topic and the parent comment topic are about domain changes, wouldn't that basically direct users of the old site on the domain to a totally different domain when they want to access the new site on the same domain?