The leap year comes around once in four years.

闰年每四年来一次[每四年有一个闰年]。

youdao

Which year were you born? Is it the leap year?

你出生在哪年，是闰年吗？

youdao

In a 1-out-of-365 chance, or less considering leap year, Palmisano and Rometty share the same birthday, July 29th; is that an omen of some kind?

帕米萨诺和罗梅蒂在7月29日同一天生日，这可是365分之1的小概率，考虑到闰年，可能更小；这是某种预兆吗？

youdao

While final root cause analysis is in progress, this issue appears to be due to a time calculation that was incorrect for the leap year.

FORBES: Connect

This comes even though Apple reported 17.6% annual revenue growth, or 27% when factoring in that last year had an extra week to account for the leap year.

FORBES: Google vs. Apple: A Tale of Two Companies

The town calls itself the "Leap Year Capital of the World" and expects 100 or more people with Feb. 29 birthdays to attend its quadrennial Leap Year Day celebration, says Jerry Brown, a pastor and store manager there.

WSJ: For Some, All in a Leap Day's Work