python时间与日期

January 11, 2023

参见：https://docs.python.org/zh-cn/3/library/datetime.html

from datetime import datetime, timedelta, timezone

print(datetime(2023, 1, 2, 3, 4, 5, 6))  # datetime对象实现了__str__方法
print(datetime.now())
print(datetime.fromtimestamp(1672502400.000))  # python时间戳单位为秒而不是毫秒
print(datetime.strptime('2023/12/12 12:12:12',
      '%Y/%m/%d %H:%M:%S'))  # 从字符串中通过占位符读取

print(datetime(2022, 1, 1) + timedelta(days=22))  # 计算时间差

print(datetime.now().strftime('%a, %b %d %H:%M'))  # datetime对象格式化为字符串


utc_tz = timezone.utc
utc_8_tz = timezone(timedelta(hours=8))  # UTC+8:00

print(datetime.utcnow())  # 当前UTC时间
print(datetime.now().astimezone(utc_tz))  # 转换为指定时区
print(datetime.utcnow().replace(tzinfo=utc_8_tz))  # 通过replace方法强制设置时区

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python时间与日期

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