Rory McIlroy has been paired with three-time champion Phil Mickelson and Ryan Moore for the first two rounds of the Masters.
The world number one will be seeking to become just the sixth player complete a Major grand slam this week at Augusta and will get the bid underway at 10.41am (3.41pm Irish time) on Thursday.
Darren Clarke will be the first Irish golfer in action when he tees off at 1.29pm Irish time along with 2000 winner Vijay Singh and 25 year-old American Russell Henley.
Shane Lowry will tee off with American pair Chris Kirk & Mark O'Meara, while Graeme McDowell will have Matt Kuchar and Brooks Koepka for company when he lines up at the first tee at 6.04pm Irish time on Thursday.
Padraig Harrington is paired with Thomas Bjorn and Ryan Palmer in Group 26 and tees off at 12.42pm (5.42pm Irish time)
Tiger Woods, seeking a 15th major, faces a lengthy wait before he can begin his bid for a fifth Masters title when the year's first major championship gets under way on Thursday. He will play the first 36 holes at Augusta National with fellow American Jimmy Walker and Wales's Jamie Donaldson.
With 98 players in the field, Charley Hoffman and Brian Harman make up the first group out in the tournament proper at 7:45am, with Gary Player, Jack Nicklaus and Arnold Palmer again acting as honorary starters five minutes earlier.
The legendary trio hitting tee shots on the par-four first before retiring to the clubhouse.
Defending champion Bubba Watson is paired with Justin Rose and Gunn Yang.
Selected tee-off times and pairings for Thursday's first round and Friday's second round
8.29am (1.29pm Irish time) Darren Clarke, Vijay Singh, Russell Henley
10.41am (3.41pm Irish time) Phil Mickelson, Rory McIlroy, Ryan Moore
12.31pm (5.51pm Irish time) Shane Lowry, Chris Kirk and Mark O'Meara
12.42pm (5.42pm Irish time) Padraig Harrington, Thomas Bjorn, Ryan Palmer
1.04pm (6.04pm Irish time) Graeme McDowell, Matt Kuchar, Brooks Koepka
1.48pm (6:48pm Irish time) Tiger Woods, Jamie Donaldson, Jimmy Walker