الگو:Solar Metonic series 2001 December 14

از ویکی‌پدیا، دانشنامهٔ آزاد
پرش به: ناوبری، جستجو

The دوره متونی repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days).