Hi,
I've answered to your last answer but my English is not so good so read that answer and also this summary.
1) I need that you solve the date format problem as explained in the other answer
2) I need that users see events near them, but they don't search by street. They simply see events near them when they enter on my site and after they can use categories and tags for searching. I don't think this consume calls to geoservice because browser give you latitude and longitude. I accept to consume a geoservice call when I create a venue or modify the address of this venue
3) I want to update JEvents without breaking it so modify my files only if you modify the original JEvents
4) there is also this ticket:
https://www.jevents.net/discussions/graphical-bug-on-resize and this:
https://www.jevents.net/discussions/small-graphical-bugs
I hope now it's clear.
Thanks for your precious help (you have admin data of my site in the other answer)