UTC与本地时间字符串互相转换

 1 #!/usr/bin/env python
 2 import time
 3 import datetime
 4 
 5 # 格式自改
 6 UTC_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
 7 LOCAL_FORMAT = '%Y-%m-%d %H:%M:%S'
 8 
 9 
10 def utc2local(utc_str):
11     utc_st = datetime.datetime.strptime(utc_str, UTC_FORMAT)
12     local_time = datetime.datetime.fromtimestamp(time.time())
13     utc_time = datetime.datetime.utcfromtimestamp(time.time())
14     time_difference = local_time - utc_time
15     local_st = utc_st + time_difference
16     return local_st.strftime(LOCAL_FORMAT)
17 
18 
19 def local2utc(local_str):
20     local_st = datetime.datetime.strptime(local_str, LOCAL_FORMAT)
21     time_struct = time.mktime(local_st.timetuple())
22     utc_st = datetime.datetime.utcfromtimestamp(time_struct)
23     return utc_st.strftime(UTC_FORMAT)
24 
25 
26 local_time = utc2local('2017-03-21T02:05:53Z')
27 print(local_time)
28 
29 utc_time = local2utc('2017-03-21 10:05:53')
30 print(utc_time)