360-day calendar — The 360 day calendar is a method of measuring durations used in financial markets and in computer models which is based on a simplification to a 360 day year, consisting of 12 months of 30 days each. To derive such a calendar from the standard… … Wikipedia
365 (number) — Previous number: 364 Next number: 366365 is a semiprime centered square number. It is also the fifth 38 gonal number.It is the smallest number which has more than one expression as a sum of consecutive square numbers::365 = 13^2 + 14^2:: = 10^2 + … Wikipedia
CALENDAR — (Heb. לוּחַ, lu aḥ). The present Jewish calendar is lunisolar, the months being reckoned according to the moon and the years according to the sun. A month is the period of time between one conjunction of the moon with the sun and the next. The… … Encyclopedia of Judaism
calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any … Universalium
Day — For other uses, see Day (disambiguation). Water, Rabbit, and Deer: three of the 20 day symbols in the Aztec calendar, from the Aztec calendar stone. A day is a unit of time, commonly defined as an interval equal to 24 hours … Wikipedia
Calendar round — In the Mesoamerican calendars, Calendar Round dates are composed by interlacing the dates of a 260 day period (Tzolk in in the Maya Calendar, Tonalpohualli in the Aztec calendar) with dates from a 365 day period (known in the Maya language as the … Wikipedia
calendar round — noun : a period of fifty two 365 day years after which the combinations of day names, day numbers, and month positions repeat in the Maya or Aztec calendars … Useful english dictionary
solar calendar — ▪ chronology any dating system based on the seasonal year of approximately 365 1/4 days, the time it takes the Earth to revolve once around the Sun. The Egyptians (Egyptian calendar) appear to have been the first to develop a solar calendar … Universalium
Aztec calendar — Aztec civilization Human … Wikipedia
Calendar reform — A calendar reform is any significant revision of a calendar system. The term sometimes is used instead for a proposal to switch to a different calendar.Most calendars have several rules which could be altered by reform: * Grouping of days of the… … Wikipedia
