A year that ends on December 31. see also fiscal year.
Used to describe all of the premium and loss activity during a given year, i.e. 1994. Many loss ratios shown for a given policyholder are based on calendar year results and may reflect claim activity on claims from prior years as well as the current year.
means the period of time starting January 1 at 12:00 a.m. and ending December 31 at 12:00 p.m., under the Gregorian calendar.