Although Cahill may be a fiercely-proud Australian after more than seven years at Goodison Park he admits it is now "part of his life".
"I think it is one of the biggest [matches] other than playing for your country in a World Cup. The derby is magical," the 31-year-old said.
"It is not only the day of the game, it is after, it is before, it is the grudges, the banter.
"For those 90 minutes the whole of Liverpool stops and you have countries around the world watching.
"Going into the game, whether you are injured or you have little problems whatever, it is forgotten.
"Everything is left on the pitch and for me, coming from Australia, I feel the same sort of attitude.
"I found it hard to get here, I have this opportunity so I just don't want to miss a second on the pitch - I want to try to affect it, hence why I've had so much joy in the derbies.
"For the fans and for me it means everything because it is part of my life now."
Cahill is making long-term plans to expand his network of coaching clinics after a successful summer run in which he returned home to provide hands-on expertise.
"It was always a dream and a vision to play overseas like someone like Craig (Johnston); it was something I wanted to work towards and be a professional," said Cahill, whose organisation will run more coaching courses in January as they roll out the programme.
"Craig came through a grassroots Australian programme in schools and that is what I came through.
"I looked up to Craig and hopefully these kids look up to me.
"It's why I want to do my clinics, why the future of Australia should be the grassroots. That is something I am really passionate about.
"It is all about me looking to the future, starting two years ago setting up foundations where everyone in Australia has a chance to come to my clinics.
"The biggest thing for me is to influence kids to not only to watch the Premier League but be inspired by it and to look at what I have achieved.
"I know how much kids are passionate about it, they just need the opportunity."
