In [1]:

    

import datetime


    

In [2]:

    

dt_now = datetime.datetime.now()


    

In [3]:

    

print(dt_now)


    

    




2019-02-04 21:04:15.412854

In [4]:

    

print(type(dt_now))


    

    




<class 'datetime.datetime'>

In [5]:

    

print(dt_now.tzinfo)


    

    




None

In [6]:

    

print(dt_now.strftime('%Y年%m月%d日 %H:%M:%S'))


    

    




2019年02月04日 21:04:15

In [7]:

    

print(type(dt_now.strftime('%Y年%m月%d日 %H:%M:%S')))


    

    




<class 'str'>

In [8]:

    

print(dt_now.isoformat())


    

    




2019-02-04T21:04:15.412854

In [9]:

    

print(type(dt_now.isoformat()))


    

    




<class 'str'>

In [10]:

    

print(dt_now.year)


    

    




2019

In [11]:

    

print(dt_now.month)


    

    




2

In [12]:

    

print(dt_now.day)


    

    




4

In [13]:

    

print(dt_now.hour)


    

    




21

In [14]:

    

print(dt_now.minute)


    

    




4

In [15]:

    

print(dt_now.second)


    

    




15

In [16]:

    

print(dt_now.microsecond)


    

    




412854

In [17]:

    

print(type(dt_now.year))


    

    




<class 'int'>

In [18]:

    

dt_now_utc_aware = datetime.datetime.now(datetime.timezone.utc)


    

In [19]:

    

print(dt_now_utc_aware)


    

    




2019-02-04 12:04:15.561748+00:00

In [20]:

    

print(dt_now_utc_aware.tzinfo)


    

    




UTC

In [21]:

    

dt_now_jst_aware = datetime.datetime.now(
    datetime.timezone(datetime.timedelta(hours=9))
)


    

In [22]:

    

print(dt_now_jst_aware)


    

    




2019-02-04 21:04:15.591827+09:00

In [23]:

    

print(dt_now_jst_aware.tzinfo)


    

    




UTC+09:00

In [24]:

    

dt_now_utc_naive = datetime.datetime.utcnow()


    

In [25]:

    

print(dt_now_utc_naive)


    

    




2019-02-04 12:04:15.621472

In [26]:

    

print(dt_now_utc_naive.tzinfo)


    

    




None

In [27]:

    

d_today = datetime.date.today()


    

In [28]:

    

print(d_today)


    

    




2019-02-04

In [29]:

    

print(type(d_today))


    

    




<class 'datetime.date'>

In [30]:

    

d_today_utc = datetime.datetime.utcnow().date()


    

In [31]:

    

print(d_today_utc)


    

    




2019-02-04

In [32]:

    

print(type(d_today_utc))


    

    




<class 'datetime.date'>

In [33]:

    

t_now = datetime.datetime.now().time()


    

In [34]:

    

print(t_now)


    

    




21:04:15.782546

In [35]:

    

print(type(t_now))


    

    




<class 'datetime.time'>

In [36]:

    

print(t_now.tzinfo)


    

    




None

In [37]:

    

dt_now_utc_aware = datetime.datetime.now(datetime.timezone.utc)


    

In [38]:

    

print(dt_now_utc_aware)


    

    




2019-02-04 12:04:15.838464+00:00

In [39]:

    

print(dt_now_utc_aware.tzinfo)


    

    




UTC

In [40]:

    

print(dt_now_utc_aware.time())


    

    




12:04:15.838464

In [41]:

    

print(dt_now_utc_aware.time().tzinfo)


    

    




None

In [42]:

    

print(dt_now_utc_aware.timetz())


    

    




12:04:15.838464+00:00

In [43]:

    

print(dt_now_utc_aware.timetz().tzinfo)


    

    




UTC