鉴于我有一个时间戳记:
date_time_str = '2019-09-10T13:48:06+0200'
如何计算当前时间与该日期时间之间的时差?
到目前为止,我的印象是严重的不法行为-这应该可以以一种简单得多的方式实现:
from datetime import datetime, timezone
import time
date_time_str = '2019-09-10T13:48:06+0200'
format = '%Y-%m-%dT%H:%M:%S%z'
date_time_obj = datetime.strptime(date_time_str, format)
now = datetime.now()
now_time = now.strftime(format)
print(now_time)
now=datetime.strptime(datetime.fromtimestamp(int(time.time()), tz=timezone.utc).isoformat(), format)
print("now is: %s" % now)
print(now-time_obj)
以上程序无法正常运行,因为当前时间格式略有不同:
'2019-09-10T15:56:11+00:00'
也就是说,如果您运行上述脚本(例如Python 3.6.5),则会出现错误:
ValueError: time data '2019-09-10T18:18:09+00:00' does not match format '%Y-%m-%dT%H:%M:%S%z'
不匹配的时区格式为“ +00:00”与“ +0200”。
答案 0 :(得分:1)
您可以使用datetime.now()
在utc中获取当前日期时间:
# Same as your code
from datetime import datetime, timezone
date_time_str = '2019-09-10T13:48:06+0200'
format = '%Y-%m-%dT%H:%M:%S%z'
date_time_obj = datetime.strptime(date_time_str, format)
# Added:
print(datetime.now(tz=timezone.utc))
# 2019-09-10 18:35:48.066548+00:00
print(datetime.now(tz=timezone.utc) - date_time_obj)
# 6:47:42.066548