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The Gregorian year, which is in use in most of the world, begins on January 1 and ends on December 31. It has a length of 365 days in an ordinary year, with 8760 hours, 525,600 minutes, or 31,536,000 seconds; but 366 days in a leap year, with 8784 hours, 527,040 minutes, or 31,622,400 seconds.
- Year - Wikipedia
A calendar year is an approximation of the number of days of...
- Gregorian calendar - Wikipedia
Gregorian years are identified by consecutive year numbers....
- Calendar - Wikipedia
A calendar is a system of organizing days. This is done by...
- Year - Wikipedia
A calendar year is an approximation of the number of days of the Earth's orbital period, as counted in a given calendar. The Gregorian calendar, or modern calendar, presents its calendar year to be either a common year of 365 days or a leap year of 366 days, as do the Julian calendars.
Il calendario è un sistema adottato dall' uomo per suddividere, calcolare e identificare precisi periodi di tempo. Questi periodi, suddivisi generalmente in giorni, costituiscono le date del calendario. Calendario del 1845 con i mesi da gennaio a marzo.
Il calendario mondiale o universale è una proposta di riforma del calendario formulata da Elisabeth Achelis di New York nel 1930, e ispirata al calendario gregoriano perpetuo descritto dal presbitero italiano Marco Mastrofini un secolo prima.
Gregorian years are identified by consecutive year numbers. A calendar date is fully specified by the year (numbered according to a calendar era, in this case Anno Domini or Common Era), the month (identified by name or number), and the day
A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. [1] [2] [3] A date is the designation of a single and specific day within such a system. A calendar is also a physical record (often paper) of such a system.
A calendar date is a reference to a particular day represented within a calendar system. The calendar date allows the specific day to be identified. The number of days between two dates may be calculated.
