Glasgow Warriors will host Leinster in a rematch of the PRO12 final when the 2014/15 campaign gets underway over the weekend of September 5 to 7.
The Scottish outfit, who lost 34-12 to the Irish province, face each other on Saturday after two matches kick off the campaign on the Friday.
Friday's games see Munster host Edinburgh at Thomond Park while the Ospreys face Treviso at Liberty Stadium before three Saturday games.
Zebre and Cardiff Blues meet on Sunday in the lone battle that day at Parma's Stadio XXV Aprile.
Guinness PRO12 - Round 1
Friday, September 5
19:35 - Munster v Edinburgh at Thomond Park
19:35 - Ospreys v Benetton Treviso at Liberty Stadium
Saturday, September 6
14:40 - Scarlets v Ulster at Parc y Scarlets
17:00 - Connacht v Dragons at Sportsground
17:15 - Glasgow Warriors v Leinster at Scotstoun Stadium
Sunday, September 7
17:00 - Zebre v Cardiff Blues at Stadio XXV Aprile