An age old question keeps coming back every time it's patch day: "When will the patch go live?!". So I decided to grab the log from my @GW2Version bot and made some graphs with the data I collected in 2015. Answer: Tuesday, after 16:00 UTC.

 

 

 

Enjoy! (hopefully without using the wrong data this time)

Here's a couple more adjusted to specific timezones WITH DST offsets