The dogs will be able to transition easily, but the handlers are going to need to get out of the Rally-O mind frame when entering an obedience ring. Much less talking, no body language aside from hand signals (in Rally-O you can stear with your body to encourage very intricate heeling patterns), etc.
Lilies in the late July heat, Lemnos, Greece. The dog days or dog days of summer are the hot, sultry days of summer. They were historically the period following the heliacal rising of the star Sirius, which Greek and Roman astrology connected with heat, drought, sudden thunderstorms, lethargy, fever, mad dogs, and bad luck.
According to The Old Farmer's Almanac, the unofficial authority on all things folklore and weather-related, the phrase dog days refers to the hottest time of the year, which is the 40 days that span from July 3 through August 11. The Almanac explains: August 11 coincides with the heliacal (at sunrise) rising of the Dog Star, Sirius.