将天数转换为小时数
将天数转换为小时数
检查闰年
检查某一年份是否为闰年并获取闰年信息。
时间工具
什么是闰年？
闰年是指在每年的2月29日增加一天，以使日历年与天文年保持一致。闰年每4年一次，但能被100整除但不能被400整除的年份除外。
输入文本
结果
检查闰年 示例
Find Birthdays on February 29
Check which years from 2025 to 2040 are leap years.
Input
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
Output
2025 is not a leap year.
2026 is not a leap year.
2027 is not a leap year.
2028 is a leap year.
2029 is not a leap year.
2030 is not a leap year.
2031 is not a leap year.
2032 is a leap year.
2033 is not a leap year.
2034 is not a leap year.
2035 is not a leap year.
2036 is a leap year.
2037 is not a leap year.
2038 is not a leap year.
2039 is not a leap year.
2040 is a leap year.
2025 is not a leap year.
2026 is not a leap year.
2027 is not a leap year.
2028 is a leap year.
2029 is not a leap year.
2030 is not a leap year.
2031 is not a leap year.
2032 is a leap year.
2033 is not a leap year.
2034 is not a leap year.
2035 is not a leap year.
2036 is a leap year.
2037 is not a leap year.
2038 is not a leap year.
2039 is not a leap year.
2040 is a leap year.