Using API you can download the details of a game.
Last number in the URL is the game ID and can be retrieved from game page URL.
As you can see, there’s a list of all moves, each one with coordinates and a long number.
I think that could be the time for that move but I don’t know how to read it and don’t know where to find this information either.
If you want to investigate on that, please let me know what you discover.