At 4pm PT, Il Divo will be on Facebook live stream on the page of Extra TV (see link below). You can leave questions for them in the comments.
Here's a few countries and their time zones for the live:
- UK (BST): 12am
- Belgium, France, Germany, Spain,...: 1am
- Chile: 7pm
- Peru: 6pm
Comparing time zones is easy via this website. Give it a try and discover your local time!