In [1]:

    

import datetime


    

In [2]:

    

s = '2018-12-31T05:00:30.001000'


    

In [3]:

    

dt = datetime.datetime.fromisoformat(s)
print(dt)


    

    




2018-12-31 05:00:30.001000

In [4]:

    

print(dt.tzinfo)


    

    




None

In [5]:

    

s = '2018-12-31T05:00:30.001000+09:00'


    

In [6]:

    

dt = datetime.datetime.fromisoformat(s)


    

In [7]:

    

print(dt)


    

    




2018-12-31 05:00:30.001000+09:00

In [8]:

    

print(dt.tzinfo)


    

    




UTC+09:00

In [9]:

    

print(dt.isoformat())


    

    




2018-12-31T05:00:30.001000+09:00

In [10]:

    

s = '2018-12-31T05:00:30.001000Z'


    

In [11]:

    

# dt = datetime.datetime.fromisoformat(s)
# ValueError: Invalid isoformat string: '2018-12-31T05:00:30.001000Z'


    

In [12]:

    

print(s.replace('Z', '+00:00'))


    

    




2018-12-31T05:00:30.001000+00:00

In [13]:

    

dt_utc = datetime.datetime.fromisoformat(s.replace('Z', '+00:00'))


    

In [14]:

    

print(dt_utc)


    

    




2018-12-31 05:00:30.001000+00:00

In [15]:

    

print(dt_utc.tzinfo)


    

    




UTC

In [16]:

    

print(s.replace('Z', ''))


    

    




2018-12-31T05:00:30.001000

In [17]:

    

dt_none = datetime.datetime.fromisoformat(s.replace('Z', ''))


    

In [18]:

    

print(dt_none)


    

    




2018-12-31 05:00:30.001000

In [19]:

    

print(dt_none.tzinfo)


    

    




None