You probably have a file in your machine, and also you need to change the created/modified time/date stamp, then you should utilize the contact command
.
contact -t 202202011308.57 someFile.jpg
Within the above instance, the timestamp can be modified to <meta charset="utf-8">2022-02-01 13:08:57
.
Merely take away all non-decimal characters and place a interval earlier than the seconds.