Shane Lowry will be the first of three Irish golfers to start his third round at the US PGA Championship on Saturday.
The Offaly man, who finds himself on two over par after the opening two rounds, will play alongside South Korea's Lee Kyoung-hoon, with their round scheduled to commence at 4.20pm Irish time.
Waterford's Seamus Power is level-par heading into the weekend and will tee off at 5.50pm with American Cameron Tringale.
Rory McIlroy was top of the leaderboard after the opening round, but now trails leader Will Zalatoris by five shots after adding a second round of 71 to his opening 65 at Southern Hills.
The Hollywood man will play alongside Mexican Abraham Ancer on Saturday. They will be the third last pair to go out, with their round scheduled to start at 7.30pm.
Round three tee-times (BST)
13:00 B Harman (US)
13:10 L Glover (US), S Munoz (Col)
13:20 C Davis (Aus), R Hoshino (Jpn)
13:30 P Kizzire (US), H Matsuyama (Jpn)
13:40 M McNealy (US), L List (US)
13:50 K Mitchell (US), C Schwartzel (SA)
14:00 L Oosthuizen (SA), B Horschel (US)
14:10 C Morikawa (US), W Simpson (US)
14:20 SW Kim (Kor), A Hadwin (Can)
14:30 S Norris (SA), T Woods (US)
14:40 T Merritt (US), K Streelman (US)
14:50 S Straka (Aut), A Schenk (US)
15:00 J Day (Aus), R Henley (US)
15:10 J Harding (SA), M Leishman (Aus)
15:20 B Steele (US), L Canter (Eng)
15:30 T Pieters (Bel), F Molinari (Ita)
15:40 J Rahm (Spa), K Hickok (US)
16:00 K Bradley (US), H Varner III (US)
16:10 B Koepka (US), J Kokrak (US)
16:20 KH Lee (Kor), S Lowry (Ire)
16:30 J Rose (Eng), L Griffin (US)
16:40 D McCarthy (US), J Spieth (US)
16:50 X Schauffele (US), T Finau (US)
17:00 A Wise (US), R MacIntyre (Sco)
17:10 T Fleetwood (Eng), L Herbert (Aus)
17:20 R Fox (NZ), R Fowler (US)
17:30 B Hossler (US), T Hoge (US)
17:40 A Arnaus (Spa), V Hovland (Nor)
17:50 C Tringale (US), S Power (Ire)
18:00 P Reed (US), K Na (US)
18:10 B Wiesberger (Aut), M Homa (US)
18:20 T Gooch (US), J Niemann (Chi)
18:30 S Burns (US), G Woodland (US)
18:40 C Smith (Aus), C Young (US)
18:50 T Hatton (Eng), M Kuchar (US)
19:10 S Cink (US), C Kirk (US)
19:20 D Riley (US), M Fitzpatrick (Eng)
19:30 R McIlroy (NI), A Ancer (Mex)
19:40 J Thomas (US), B Watson (US)
19:50 W Zalatoris (US), M Pereira (Chi)
Get the latest sports headlines straight to your inbox by signing up for free email alerts