Dog days sometimes used for the lethargic summer markets. Various computations of the dog days have placed their start anywhere from 3 July to 15 August and lasting for anywhere from 30 to 61 days. They may begin or end with the cosmical rising or heliacal rising of either Sirius in Canis Major or Procyon (the "Little Dog Star") in Canis Minor and vary by latitude, not even being visible throughout much of the Southern Hemisphere. Sirius observes a period of almost exactly 365¼ days between risings, keeping it largely consistent with the Julian but not the Gregorian calendar; nonetheless, its dates
The Groove (Sirius XM) Funk and Old School Dance party tracks from the 1970s, 1980s and 1990s. The channel is also commercial-free and features DJs, most of them veterans of the early days of Urban Contemporary radio, where most of its core music came from. For Sirius listeners, some late-1970s music through the 1990s can be found on its sister The Strobe, Soul Town and Heart & Soul channels, which are also heard on XM. On October 22, 2010, The Groove adjusted its direction to include Dance, Disco, and Freestyle classics after Sirius XM removed The Strobe from the roster and placed the channel