Python-计算两个datetime.time对象之间的差 [英] Python - Calculate the difference between two datetime.time objects

问题描述

我有两个datetime.time对象，我想计算它们之间的小时差。例如

I have two datetime.time objects and I want to calculate the difference in hours between them. For example

a = datetime.time(22,00,00)
b = datetime.time(18,00,00)

我希望能够将它们相减，从而得到4。

I would like to be able to subtract these so that it gives me the value 4.

推荐答案

要计算差异，您必须转换 datetime.time 对象作为 datetime.datetime 对象。然后，当您减去时，将得到一个 timedelta 对象。为了找出 timedelta 对象有多少小时，您必须找到总秒数并除以 3600 。

To calculate the difference, you have to convert the datetime.time object to a datetime.datetime object. Then when you subtract, you get a timedelta object. In order to find out how many hours the timedelta object is, you have to find the total seconds and divide it by 3600.

# Create datetime objects for each time (a and b)
dateTimeA = datetime.datetime.combine(datetime.date.today(), a)
dateTimeB = datetime.datetime.combine(datetime.date.today(), b)
# Get the difference between datetimes (as timedelta)
dateTimeDifference = dateTimeA - dateTimeB
# Divide difference in seconds by number of seconds in hour (3600)  
dateTimeDifferenceInHours = dateTimeDifference.total_seconds() / 3600

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