The Aussi Open is the start of the tennis season. It is one of the 4 GRAND SLAM tourneys that take place throughout the year. Since it does take place in Australia, the viewing times here in the US are going to be later in the evening.
To view the Aussi Open schedule, click this link.
How to watch the Australian Open: TV schedule https://www.si.com/tennis/2018/australian-open-tv-schedule-watch-online-channel via @SINow