timestamp
nounUK /ˈtaɪm.stɑːmp/
US /ˈtaɪm.stæmp/
A timestamp is a note that shows the exact time something happened.
The photo has a timestamp in the corner showing it was taken at 3:15.
OTHER MEANINGS
2. A digital marker added to a file or message that records when it was created or changed.
The email's timestamp showed it arrived just after midnight.
3. To mark something with the time it happened.
The app timestamps every message you send.
4. A printed or stamped mark on a document showing the date and time it was received.
The clerk put a timestamp on the form when I handed it in.