1·Handling leap year is fairly straightforward—add an extra day, if using the Gregorian calendar, to the year-month or day interval calculations.
处理闰年相当简单——如果使用公历，在以年月日为时间间隔的计算中添加额外的一天。
2·There are other tricks to assist with dates in the first months of the year—for example, the last day of February is always an anchor day, leap year or no.
还有一些其他技巧可以帮助你确定一年的头几个月的日期——例如，二月的最后一天总是锚日，不管闰年还是平年。
3·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？
4·There are other tricks to assist with dates in the first months of the year-for example, the last day of February is always an anchor day, leap year or no.
还有一些其他技巧去帮助记住一年头几个月的日子，比如，二月的最后一天总是锚日，不管平年还是闰年。
5·The two most people encounter are leap year and daylight savings time.
人们最常遇到的两种情况是闰年和夏令时。