Teach you how to use python to get the time of a specified time difference

This article mainly introduces relevant information on python to obtain a detailed explanation of the time instance of the specified time difference. Friends who need it can refer to

Python to obtain a detailed explanation of the time instance of the specified time difference

When analyzing data, it is often necessary to intercept data within a certain range of time, such as data required within three days, two hours ago, etc. Therefore, the functions that are often used in this part are modularized to facilitate future use. Reuse when available. Here, I also share it with you.

import time 
import sys 
reload(sys) 
def get_day_of_day(UTC=False, days=0, hours=0, miutes=0, seconds=0): 
 ''''''' 
 if days>=0,date is larger than today 
 if days<0,date is less than today 
 date format = "YYYY-MM-DD" 
 ''' 
 now = time.time() 
 timeNew = now + days*24*60*60 + hours*60*60 + miutes*60 + seconds 
 if UTC : 
 timeNew = timeNew + time.timezone 
 t = time.localtime(timeNew) 
 return time.strftime('%Y-%m-%d %H:%M:%S', t) 
 
#使用UTC时间 两小时前 
t = get_day_of_day(True,0,-2) 
print t 
#当地时间 三天前 
t = get_day_of_day(False,-3) 
print t 
#当地时间 三天后 
t = get_day_of_day(False,3) 
print t

The result after running:

2016-04-30 20:25:56 
2016-05-06 20:25:56

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