I’m also the username “A User”. But now i remembered my user name / password here. I misread the question “is there a date and time stamp in the log”, and here’s a better answer.

Q: Is there a date and time stamp in the log?
A: Yes. Every epoch / unix time stamp are convertible to date and time in “any format”. Converting the timestamp from the first and last sample, will also give you the start and end time of the log.