What's the difference between calendar and sexagesima?

Calendar

Definition:

(n.) An orderly arrangement of the division of time, adapted to the purposes of civil life, as years, months, weeks, and days; also, a register of the year with its divisions; an almanac.
(n.) A tabular statement of the dates of feasts, offices, saints' days, etc., esp. of those which are liable to change yearly according to the varying date of Easter.
(n.) An orderly list or enumeration of persons, things, or events; a schedule; as, a calendar of state papers; a calendar of bills presented in a legislative assembly; a calendar of causes arranged for trial in court; a calendar of a college or an academy.
(v. t.) To enter or write in a calendar; to register.

Example Sentences:

(1) The growth rate corresponded to that of girls of similar calendar age, while there was progress of bone maturation.
(2) The two flight attendants feature in February and March in the annual Ryanair charity calendar.
(3) The work was published as a charity calendar the following year.
(4) Two time periods consisting of two calendar years each, were analyzed: 1974 to 1975 (initiation of perinatal regionalization) and 1979 to 1980 (regionalization established).
(5) There were 45 deaths from lung cancer among curing workers compared to 24.6 expected based on the age- and calendar period-specific rates of other rubber workers.
(6) Clinical education is integrated throughout the curriculum, and a calendar is developed based on the content of the learning experiences rather than the traditional university calendar.
(7) And one way or another, he had led his team to victory over the Packers for a third time in the past calendar year.
(8) Pitched as a "smart" calendar, it's easy to create appointments and events, and ties in neatly with the developer's separate Any.do to-do lists app.
(9) Despite the growth in the second quarter, the European commission still expects the eurozone to suffer a second full calendar year of falling output in 2013, with growth resuming in 2014.
(10) Prevalence of cigarette smoking at the Newark plant was estimated for birth cohorts by calendar year.
(11) If it’s going to be the current engine upgraded to 1,000bhp, then good – and they need to supply it at a price the team can afford to pay.” Ecclestone also indicated that Monza’s future on the F1 calendar remained in doubt.
(12) Exercise tolerance depends on biological and calendar age, on sex, on the state of health, and on general physical strength.
(13) Check out its theme-based events calendar: something will grab you.
(14) All premolars were extracted after 1 calendar month.
(15) In this article major concepts of time are reviewed and distinctions are made between physical, biological, psychological, and social time or age, which all might be classified as a variant of calendar time or calendar age, respectively.
(16) Indeed the midfielder, who was capped by England against Sweden last November, has started only two league games this calendar year and is likely to be told he can leave the club when he discusses his future with the manager this month.
(17) Sixty five valid MMPI profiles, based on tests administered during the 1986 calendar year were retroactively scored for a scale designed by Sladen and Mozdzierz (1985) which was reportedly capable of identifying individuals likely to drop out of chemical dependency treatment.
(18) In June of 1983, there were an exceptional number of ozone episodes (defined as occasions when ozone was greater than 82 ppb for 3 or more hours in a calendar day) in this region.
(19) Two 90-day victory calendars in that year resulted in 17 of 29 tactics being successfully implemented.
(20) Comparative data from 6 organisations that raised 87 880 hamsters in the calendar year 1971 indicated that 97-5% of total preweaning mortality was due to cannibalism.