What is the Certified Pool/Spa OperatorÂ® Certification Program? A CPOÂ® Certification provides individuals with the basic knowledge, techniques, and skills of pool and spa operations. This training has helped protect millions of swimmers by reducing hazards at aquatic facilities.
A year is the orbital period of the Earth moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility.
â¢ SOLAR YEAR (noun) The noun SOLAR YEAR has 1 sense: 1. the time for the earth to make one revolution around the sun, measured between two vernal equinoxes. Familiarity information: SOLAR YEAR used as a noun is very rare.