Orkney RFC's first league match is home v Mackie Academy FP RFC on Saturday 6th September, with Bowl & Shield prelim matches scheduled to take place on Sat 23 &30 August.
A list of fixtures for Caledonia League Division 1 is available here:
http://www.scottishrugby.org/fixtures-results/?competition=98924
You can also download a PDF of all league fixtures from the SRU website.
All club fixtures can be found on the club calendar