"අධික අවුරුද්ද" හි සංශෝධන අතර වෙනස්කම්
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1 පේළිය:
{{පරිවර්තනය නොනිමි|ඉංග්රීසි|Leap year}}
'''අධික අවුරුද්ද''' යනු year containing one or more extra days (or, in the case of [[lunisolar calendar]]s, an extra month) in order to keep the [[calendar year]] synchronised with the [[astronomical year|astronomical]] or [[seasonal year]]. For example, in the [[Gregorian calendar]], February in a leap year has 29 days instead of the usual 28 so the year lasts 366 days instead of the usual 365. Because seasons and astronomical events do not repeat in a [[whole number]] of days, a calendar that had the same number of days in each year would, over time, drift with respect to the event it was supposed to track. By occasionally inserting (or ''[[intercalation|intercalating]]'') an additional day or month into the year, the drift can be corrected. A year that is ''not'' a leap year is called a ''[[common year]]''.
5 පේළිය:
[[ග්රෙගරි දින දසුන]], the current standard calendar in most of the world, most years whose division by 4 equals an [[integer]] are leap years. In each leap year, the month of February has 29 days instead of 28. Adding an extra day to the calendar every four years compensates for the fact that a period of 365 days is shorter than a [[solar year]] by almost 6 hours.
== සිංහල සහ චීන දින දසුන් ==
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The [[Hebrew calendar]] is also lunisolar with an embolismic month. This extra month is called ''Adar Alef'' ([[Adar 1|first Adar]]) and is added before ''[[Adar]]'', which then becomes ''Adar Bet'' ([[Adar 2|second Adar]]). According to the [[Metonic cycle]], this is done seven times every nineteen years (specifically, in years 3, 6, 8, 11, 14, 17, and 19).
== ඉස්ලාම් දින දසුන ==
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The months in the Islamic calender have 29 or 30 days.
== හින්දු දින දසුන ==
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The calendar followed in some parts of [[South India]] (mainly in Tamil Nadu) is [[solar]]. It has a leap year every four years.
== References ==
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