Taun kabisat (Basa Inggris: Leap year) nyaéta taun nu ngalaman nambahan sapoé anu tujuanana keur nyaluyukeun jeung tanggal taun astronomi.
Dina sataun teu campleng 365 poé, tapi 365 poé 5 jam 48 menit 45,1814 detik. Lamun ieu hal euweuh lajuning lakuna, unggal 4 taun bakal kakurangan ampir sapoé (pernahna 23 jam, 15 menit 0,7256 detik). Keur ngonvérsi ieu hal, unggal 4 taun sakali (taun anu bisa dibagi 4), dibéré sapoé tambahan: 29 Pebruari. Tapi sabab 5 jam 48 menit 45,1814 detik kurang ti 6 jam, ku kituna taun-taun anu dibagi 100 (unggal taun 1600), lain taun kabisat, iwal nu bisa dibagi 400 (seperti taun 2400).
Aya algoritma nu gampang dipikaharti keur nangtukeun taun nu kaasup kana taun kabisat anu dijéntrékeun ieu di handap.
Taun Kabisat nurutkeun wangenan di luhur aya sanggeus lumakuna kalender Gregorian (1582). 1009 SM keur nangtukeun sataun nu mangrupa tahun kabisat atawa lain:
if year modulo 4 is 0 then if year modulo 100 is 0 then if year modulo 400 is 0 then is_leap_year else not_leap_year else is_leap_year else not_leap_year
atawa
if year is divisible by 400 then is_leap_year else if year is divisible by 100 then not_leap_year else if year is divisible by 4 then is_leap_year else not_leap_year
Kalénder Tionghoa jeung Yahudi ngagunakeun 19 taun keur 7 bulan dina19 matahari.
Bulan | Taun | Selisih taun |
---|---|---|
0 | 0 | 0 |
1 | 3 | 3 |
2 | 6 | 3 |
3 | 8 | 2 |
4 | 11 | 3 |
5 | 14 | 3 |
6 | 17 | 3 |
7 | 19 | 2 |
Dina taun kabisat kalénder Tionghoa nambahan sabulan (30 poé) anu disebut Lun, ari Yahudi sabulan (30 poé) dina taun Adar.
Kalénder Hijriyah ngagunakeun 29 taun keur 11 bulan dina 29 matahari.
Bulan | Taun | Selisih taun |
---|---|---|
0 | 0 | 0 |
1 | 2 | 2 |
2 | 5 | 3 |
3 | 8 | 3 |
4 | 10 | 2 |
5 | 13 | 3 |
6 | 16 | 3 |
7 | 18 | 2 |
8 | 21 | 3 |
9 | 24 | 3 |
10 | 26 | 2 |
11 | 29 | 3 |
Dina taun kabisat kalénder Hijriyah bakal nambahan sapoé (30 poé) dina taun Dzulhijjah.
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