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Except for when the 28-year cycle is disrupted by a non-leap century year, the rules are as follows.
A leap year will repeat itself after 28 years.
The first year after a leap year repeats in a 6-11-11 pattern. This means it will repeat after 6 years, then after 17 years, and then after 28 years.
The second year after a leap year repeats in a 11-6-11 pattern. This means it will repeat after 11 years, then after 17 years, and then after 28 years.
The third year after a leap year repeats in a 11-11-6 pattern. This means it will repeat after 11 years, then after 22 years, and then after 28 years.
Wiki User
∙ 6y ago
Wiki User
∙ 11y agoThere isn't a simple formula, because a leap year throws everything out. A year will repeat either in 5 years time, 6 years time or 11 years time, depending on when a leap year occurs in relation to it.
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