Eastern time zone first and second round tee times so you don't have to do the math....
1:35/6:36 a.m. Matthew Jordan (329), Richie Ramsay (142), Branden Grace (405)
1:46./6:47 a.m. Russell Henley (31), Jazz Janewattananond (247), Graeme Robertson
1:57/6:58 a.m. Ryan Fox (42), Lucas Herbert (56), Byeong Hun An (85)
2:08/7:09 a.m. Rikuya Hoshino (130), Charl Schwartzel (322), Alex Maguire (A)
2:19/7:20 a.m. Adrian Meronk (49), Pablo Larrazabal (58), Hiroshi Iwata (189)
2:30/7:31 a.m. Patrick Reed (51), Connor Syme (209), Jose Luis Ballester Barrio (A)
2:41 /7:42 a.m. Darren Clarke (3808), Victor Perez (66, Thomas Pieters (73)
2:52/7:53 a.m. Louis Oosthuizen (394), Joost Luiten (146), Christo Lamprecht (A)
3:03/8:04 a.m. Stewart Cink (299), JT Poston (52), Trey Mullinax (114)
3:14/8:15 a.m. Henrik Stenson (269), Harris English (37), Andrew Putnam (61)
3:25/8:26 a.m. Scott Stallings (82), Jordan Smith (89), Thorbjorn Olesen (92)
3:36/8:37 a.m. Ernie Els (1286), Kurt Kitayama (25), Takumi Kanaya (121)
3:47/8:48 a.m. Sam Burns (17), Sepp Straka (28), Chris Kirk (40)
4:03/9:04 a.m. Jordan Spieth (11), Matt Fitzpatrick (9), Jason Day (27)
4:14/9:15 a.m. Padraig Harrington (183), Seamus Power (50), Talor Gooch (101)
4:25/9:26 a.m. KH Lee (53), Davis Riley (78), Taiga Semikawa (163)
4:36/9:37 a.m. Patrick Cantlay (4), Brooks Koepka (12), Hideki Matsuyama (34)
4:47/9:48 a.m. Scottie Scheffler (1), Tommy Fleetwood (21), Adam Scott (39)
4:58/9:59 a.m. Cameron Smith (7), Xander Schauffele (6), Wyndham Clark (10)
5:09/10:10 a.m. Shane Lowry (29), Rickie Fowler (22), Robert MacIntyre (54)
5:20/10:21 a.m. Cameron Young (18), Si Woo Kim (36), Bryson DeChambeau (105)
5:31/10:32 a.m. Nicolai Højgaard (106), Bio Kim (202), Kazuki Yasumori (944)
5:42/10:43 a.m. Dan Bradbury (331), Oliver Farr (690), Haydn Barron (937)
5:53/10:54 a.m. Marcel Siem (200), Martin Rohwer (786), Tiger Christensen (A)
6:04/11:05 a.m. Lee Hodges (108), Antoine Rozner (139), Richard Bland (187)
6:15/11:16 a.m. Yannik Paul (100) , Sami Välimäki (220), Laurie Canter (330)
6:36/1:35 a.m. Rasmus Højgaard (84), Matthew Southgate (285), Alex Fitzpatrick (561)
6:47/1:46 a.m. Daniel Hillier (137), Kyung Nam Kang (402), Kensei Hirata (434)
6:58/1:57 a.m. Callum Shinkwin (119), Kazuki Higa (122), Michael Kim (134)
7:09/2:08 a.m. Zack Fischer (408), Taichi Kho (619), Kyle Barker (736)
7:20/2:19 a.m. Brendon Todd (63), Romain Langasque (136), Travis Smyth (310)
7:31/2:30 a.m. Gary Woodland (72), Adrian Otaegui (95), Alexander Bjork (96)
7:42/2:41 a.m. Min Woo Lee (47), Christiaan Bezuidenhout (93), Harrison Crowe (A)
7:53/2:52 a.m. Corey Conners (30), Billy Horschel (45), Alex Noren (67)
8:04/3:03 a.m. Tom Kim (24), Tom Hoge (38), Abraham Ancer (68)
8:15/3:14 a.m. Zach Johnson (221), Matt Wallace (134), David Micheluzzi (363)
8:26/3:25 a.m. Sahith Theegala (35), Emiliano Grillo (41), Dustin Johnson (79)
8:37/3:36 a.m. Francesco Molinari (157), Denny McCarthy (33), Mateo Fernandez De Oliveira (A)
8:48/3:47 a.m. Brian Harman (26), Thriston Lawrence (80), Thomas Detry (98)
9:04/4:03 a.m. John Daly (3808), Taylor Moore (48), Danny Willett (125)
9:15/4:14 a.m. David Lingmerth (97), Ben Griffin (109), Ockie Strydom (161)
9:26/4:25 a.m. Adri Arnaus (113), Ewen Ferguson (118), Keita Nakajima (151)
9:37/4:36 a.m. Keegan Bradley (15), Sungjae Im (23), Joaquin Niemann (43)
9:48/4:47 a.m. Viktor Hovland (5),Tony Finau (16), Justin Thomas (20)
9:59/4:58 a.m. Rory McIlroy (2), Jon Rahm (3), Justin Rose (32)
10:10/5:09 a.m. Collin Morikawa (19), Max Homa (8), Tyrrell Hatton (13)
10:21/5:20 a.m. Phil Mickelson (90), Nick Taylor (44), Adam Schenk (46)
10:32/5:31 a.m. Nacho Elvira (361), Marc Warren (382), Alejandro Cañizares (579)
10:43/5:42 a.m. Guido Migliozzi (224), Oliver Wilson (266), Connor McKinney (1140)
10:54/5:53 a.m. Kalle Samooja (256), Shubhankar Sharma (276), Gunner Wiebe (479)
11:05/6:04 a.m. Jorge Campillo (131), Brandon Robinson Thompson (812), Michael Stewart (868)
11:16/6:15 a.m. Hurly Long (249), Seungsu Han (470), Marco Penge (539)