Python Datetime

In python datetime is a module. We get the date, month, year, day etc from datetime module.

Program

from datetime import datetime

dt = datetime.now()
print(dt)

See Output

Get the current date and time

The now() is a class method of the datetime class. It returns the current local date and time.

Program

from datetime import datetime

dt = datetime.now()
print(dt)

See Output

Get the current date and time of a specific timezone

The now(tz=None) method uses tz argument. The tz argument is optional argument of now(tz=None) method.

Program

from zoneinfo import ZoneInfo
from datetime import datetime

dt = datetime.now(tz=ZoneInfo("Asia/Kolkata"))
print(dt)

See Output

Format of datetime object into readable strings

The directive is a special code like %a, %A, %w etc in python datetime module. The strftime(format) method used to represent date and time string in readable format.

%a : It is used to represent weekday in short version. Example: Mon
%A : It is used to represent weekday in full version. Example: Monday
%w : It is used to represent weekday as number. 0=Sunday, 1= Monday, 2=Tuesday, 3=Wednesday, 4=Thursday,5=Friday, 6=Saturday. Example: 5
%d : It is used to represent day of month 01-31. Example: 29
%b : It is used to represent month name in short version. Example: Oct
%B : It is used to represent month name in full version. Example: October
%m : It is used to represent month number 01-12. Example:10
%y : It is used to represent year in short version like 25.
%Y : It is used to represent year in full version like 2025.
%H : It is used to represent hour 00-23. Example:18
%I : It is used to represent hour 00-12. Example:09
%p : It is used to represent AM/PM. Example:AM
%P : It is used to represent am/pm. Example:am
%M : It is used to represent minute 00-59. Example:50
%S : It is used to represent second 00-59. Example:35

%f : It is used to represent microsecond 000000-999999. Example:523745
%Z : It is used to represent timezone. Example: IST
%z: It is used to represent the UTC offset in the form +HHMM or -HHMM. Example: +0530

Program

from zoneinfo import ZoneInfo
from datetime import datetime

dt = datetime.now(tz=ZoneInfo("Asia/Kolkata"))

print(dt.strftime("%a"))
print(dt.strftime("%A"))
print(dt.strftime("%w"))
print(dt.strftime("%d"))
print(dt.strftime("%b"))
print(dt.strftime("%B"))
print(dt.strftime("%m"))
print(dt.strftime("%y"))
print(dt.strftime("%Y"))
print(dt.strftime("%H"))
print(dt.strftime("%I"))
print(dt.strftime("%p"))
print(dt.strftime("%P"))
print(dt.strftime("%M"))
print(dt.strftime("%S"))
print(dt.strftime("%f"))
print(dt.strftime("%Z"))
print(dt.strftime("%z"))

See Output

Create the format of date and time

Program

from zoneinfo import ZoneInfo
from datetime import datetime

dt = datetime.now(tz=ZoneInfo("Asia/Kolkata"))

print(dt.strftime("%d-%m-%Y"))
print(dt.strftime("%d/%m/%Y"))
print(dt.strftime("%d-%b-%Y"))
print(dt.strftime("%d-%B-%Y"))
print(dt.strftime("%d %B,%Y"))
print(dt.strftime("%H:%M:%S"))
print(dt.strftime("%d-%m-%Y %H:%M:%S"))
print(dt.strftime("%d-%m-%Y %H:%M:%S %Z"))

See Output

Create datetime object from a date and time string

The strptime(datetime_string, format) method used to create datetime object from date and time string. The strptime(datetime_string, format) method takes two arguments.

datetime_string: The datetime_string contains date and/or time string that needs to be converted in object.

format: Write the format for datetime_string that match same structure of datetime_string.

Program

from datetime import datetime

datetime_str = "20 October,2025"
format_str = "%d %B,%Y"
datetime_object = datetime.strptime(datetime_str, format_str)
print(datetime_object.strftime("%y"))

See Output

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