🐍

Python YYYY-MM-DD

输出: 2025-01-15

快速参考

格式字符串

%Y-%m-%d

输出

2025-01-15

在Python中将日期格式化为YYYY-MM-DD

🐍 Python

from datetime import datetime

date = datetime.now()
formatted = date.strftime('%Y-%m-%d')
print(formatted)  # Output: 2025-12-31

解析日期字符串

🐍 Python (解析)

from datetime import datetime

date_string = '2025-12-31'
date = datetime.strptime(date_string, '%Y-%m-%d')
print(date)  # Output: 2025-12-31 00:00:00

Python日期格式代码

代码	含义	示例
%d	Day of month (01-31)	31
%m	Month (01-12)	12
%Y	Year with century	2025
%y	Year without century (00-99)	25
%b	Abbreviated month name	Dec
%B	Full month name	December
%a	Abbreviated weekday	Wed
%A	Full weekday name	Wednesday