3rd round starts at what time?

What is bet guess?

https://www.theopen.com/TeeTimes#!/R3 with "Championship Status: Round 2 will resume at 7am" (British Standard Time) followed by "Tee Times will be available shortly"

according to the R&A, 2nd round finishing Saturday with 3rd round Sunday and final Monday. HOPEFULLY the wind and weather cooperates

3rd round was postponed until Sunday with the final round Monday. 1st pairing 3rd round of Scott Arnold and David Duval tees off @ 8:15am St Andrews time = 5:15am eastern time. tourney leaders Dustin Johnson and Danny Willett go @ 10:00am eastern. other pairings @ https://www.theopen.com/TeeTimes#!/R3