The tournament begins on Thursday.
Seamus Power will be the first Irishman to tee it up at the 150th Open Championship this Thursday.
The Wateford man will play alongside Brooks Koepka and Cameron Smith from 3 minutes past 8 in the morning.
Next up at 2 minutes to 10 - Rory McIlroy goes out with the defending champion Colin Morikawa, and Xander Schauffele.
2019 winner Shane Lowry starts his opening round at 9 minutes past 10 with Justin Thomas and Viktor Hovland.
While two-time Open champion Padraig Harrington has an afternoon start at 2:48 with Thomas Pieters and Keith Mitchell.
Qualifiers David Carey and Ronan Mullarney will tee off among the latest opening groups while Darren Clarke is out just after half-past-one.

New Zealand Thrash Australia Again To Hold Onto Bledisloe Cup
Sara Byrne Six Shots Off Lead At Korea Championship
Sligo Rovers Relegated From League Of Ireland Following Heavy Defeat To Shelbourne
Djokovic Suffers Shock Shanghai Masters Exit After Just Winning His 102nd Career Title
Naas Claim Fifth Consecutive Kildare Senior Camogie Title After Thrilling Celbridge Final
Saturday Morning Sports News
Ireland Women's Team Look Forward To A World Cup Play Off After Beating Kazakhstan
Everton's Owners Consider Selling The Club