| 1. | The years 1960 and 1964 were both bissextile .
1960和1964年都是闰年。 |
| 2. | In leap years there are 366 days .
在闰年有366天。 |
| 3. | All years that are divisible by 4 should be leap years of 366 days, except those which coincide with the beginning of a century .
除了世纪开始的年份外，所有被四整除的年份应是由366天构成的闰年。 |
| 4. | Determines whether the specified year is a leap year
确定指定的年份是否为闰年。 |
| 5. | A common year has 354 days and a leap year has 355 days
平年有354天，闰年有355天。 |
| 6. | 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] 。 |
| 7. | A common year has 365 days and a leap year has 366 days
平年有365天，闰年有366天。 |
| 8. | A leap year can have from 383 to 385 days
闰年可能有383到385天。 |
| 9. | Returns an indication whether the specified year is a leap year
返回指定的年份是否为闰年的指示。 |
| 10. | February has 29 days during leap years and 28 during common years
2月在闰年中为29天，在平年中为28天。 |
