Yeah, I could have done that. If anyone else wants to play this, here's a script to print the timestamps of a particular user as Unix time: https://gist.github.com/saagarjha/6f6474fd212bd9904e6d7cc81f... the histogram above was generated by loading the output of that into a spreadsheet, skewing it by 7 hours to account for my timezone, and generating a ASCII histogram from that.