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
Summer Days (And Summer Nights!!) with Johnston, Al Jardine is also missing from the "Summer Days" cover photo depicting the group on a sailboat, having missed the shoot due to illness. "Summer Days (And Summer Nights!!)" proved to be another gold-selling success for the Beach Boys in the U.S., where it hit number 2 behind The Rolling Stones's "Out of Our Heads". Along with 1963's "Surfin' U.S.A." it remains the group's highest-charting studio album in the U.S. The following year, the album would reach number 4 in the United Kingdom. The album's lead single, "Help Me, Rhonda", topped the US "Billboard" Hot 100. In a