datetime today

from datetime import datetime
now = datetime.now()
print (now.strftime("%Y-%m-%d %H:%M:%S"))


Output: 2020-06-19 10:34:45

from datetime import datetime

now = datetime.now() # current date and time

year = now.strftime("%Y")
print("year:", year)

month = now.strftime("%m")
print("month:", month)

day = now.strftime("%d")
print("day:", day)

time = now.strftime("%H:%M:%S")
print("time:", time)

date_time = now.strftime("%m/%d/%Y, %H:%M:%S")
print("date and time:",date_time)	

from datetime import datetime

# datetime object containing current date and time
now = datetime.now()
 
print("now =", now)

# dd/mm/YY H:M:S
dt_string = now.strftime("%d/%m/%Y %H:%M:%S")
print("date and time =", dt_string)	

# exemple
print(date.strftime("%Y/%m/%d")) #2020/12/31
# all format codes

# %a | Weekday as locale’s abbreviated name. | Sun, Mon, …, Sat (en_US)
# ---|--------------------------------------------------------------------
# %A | Weekday as locale’s full name.        | Sunday, Monday, …, Saturday
# ------------------------------------------------------------------------
# %w | Weekday as a decimal number,          | 0, 1, ...,6
#    | where 0 is Sunday and 6 is Saturday.  |
# ------------------------------------------------------------------------
# %d | Day of the month as a zero-padded     | 01, 02, …, 31
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %b | Month as locale’s abbreviated name.   | Jan, Feb, …, Dec
# ------------------------------------------------------------------------
# %B | Month as locale’s full name.          | January, February, …, December
# ------------------------------------------------------------------------
# %m | Month as a zero-padded decimal number.| 01, 02, …, 12
# ------------------------------------------------------------------------
# %y | Year without century as a zero-padded | 00, 01, …, 99
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %Y | Year with century as a decimal number.| 0001, 0002, …, 9999
# ------------------------------------------------------------------------
# %H | Hour (24-hour clock) as a zero-padded | 00, 01, …, 23
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %I | Hour (12-hour clock) as a zero-padded | 01, 02, …, 12
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %p | Locale’s equivalent of either AM / PM | AM, PM (en_US);
# ------------------------------------------------------------------------
# %M | Minute as a zero-padded decimal number| 00, 01, …, 59
# ------------------------------------------------------------------------
# %S |Second as a zero-padded decimal number.| 00, 01, …, 59
# ------------------------------------------------------------------------
# %f | Microsecond as a decimal number,      | 000000, 000001, …, 999999
#    | zero-padded on the left.              |
# ------------------------------------------------------------------------
# %z | UTC offset in the form                | (empty), +0000, -0400, +1030,
#    | ±HHMM[SS[.ffffff]]                    | +063415, -030712.345216
#    | (empty string if the object is naive) |
# ------------------------------------------------------------------------
# %Z | Time zone name                        | (empty), UTC, GMT
#    | (empty string if the object is naive) |
# ------------------------------------------------------------------------
# %j | Day of the year as a zero-padded      | 001, 002, …, 366
#    | decimal number.                       |
# ------------------------------------------------------------------------
# %U | Week number of the year               | 00, 01, …, 53
#    | (Sunday as the first day of the week) |
#    | as a zero padded decimal number.      |
#    | All days in a new year preceding the  |
#    | first Sunday are considered to be     |
#    | in week 0.                            |
# ------------------------------------------------------------------------
# %W | Week number of the year               | 00, 01, …, 53
#    | (Monday as the first day of the week) |
#    | as a decimal number. All days in a    |
#    | new year preceding the first Monday   |
#    | are considered to be in week 0.       |
# ------------------------------------------------------------------------
# %c | Locale’s appropriate date and         | Tue Aug 16 21:30:00 1988 (en_US)
#    | time representation.                  | Di 16 Aug 21:30:00 1988 (de_DE)
# ------------------------------------------------------------------------
# %x | Locale’s appropriate date             | 08/16/88 (None)
#    | representation.                       | 08/16/1988 (en_US)
#    |                                       | 16.08.1988 (de_DE)
# ------------------------------------------------------------------------
# %X | Locale’s appropriate time             | 21:30:00 (en_US);
#    | representation.                       | 21:30:00 (de_DE)
# ------------------------------------------------------------------------
# %% | A literal '%' character.              | %