What is an HMO plan? HMO means Health Maintenance Organization. HMO plans offer a wide range of healthcare services through a network of providers who agree to supply services to members. With an HMO you'll likely have coverage for a broader range of preventive healthcare services than you would through another type of plan. How does an HMO plan work? As a member of an HMO, you'll be required to choose a primary care physician (PCP).
The summer solstice in the Northern Hemisphere ranges in date from June 20 to 22. This occurs in part because of the difference between the Gregorian calendar system, which normally has 365 days, and the tropical year (how long it takes Earth to orbit the Sun once), which has about 365.242199 days.
Best Answer: As far as the globe - there is the Vernal Equinox (Start of Autumn in Northern Hemisphere; start of Spring in the Southern) on the 22nd of September. Winter starts in the northern hemisphere on December 22nd (start of summer in the southern hemisphere) Spring starts in the northern hemisphere on March 22nd (That is the first day of autumn in the southern hemisphere) Summer starts in the northern hemisphere on June 22nd (First day of winter in the southern) Has to do with the tilting of the earth on it's axis. Source(s):