Hướng dẫn python get current day

In this article, you will learn to get today's date and current date and time in Python. We will also format the date and time in different formats using strftime() method.

Video: Dates and Times in Python

There are a number of ways you can take to get the current date. We will use the date class of the datetime module to accomplish this task.

Example 1: Python get today's date

from datetime import date

today = date.today()
print("Today's date:", today)

Here, we imported the date class from the datetime module. Then, we used the date.today() method to get the current local date.

By the way, date.today() returns a date object, which is assigned to the today variable in the above program. Now, you can use the strftime() method to create a string representing date in different formats.

Example 2: Current date in different formats

from datetime import date

today = date.today()

# dd/mm/YY
d1 = today.strftime("%d/%m/%Y")
print("d1 =", d1)

# Textual month, day and year	
d2 = today.strftime("%B %d, %Y")
print("d2 =", d2)

# mm/dd/y
d3 = today.strftime("%m/%d/%y")
print("d3 =", d3)

# Month abbreviation, day and year	
d4 = today.strftime("%b-%d-%Y")
print("d4 =", d4)

When you run the program, the output will be something like:

d1 = 16/09/2019
d2 = September 16, 2019
d3 = 09/16/19
d4 = Sep-16-2019

If you need to get the current date and time, you can use datetime class of the datetime module.

Example 3: Get the current date and 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)	

You will gate output like below.

now = 2021-06-25 07:58:56.550604
date and time = 25/06/2021 07:58:56

Here, we have used datetime.now() to get the current date and time. Then, we used strftime() to create a string representing date and time in another format.

Prerequisite: DateTime module

In Python, Date and Time are not data types of their own, but a module named DateTime can be imported to work with the date as well as time. Datetime module comes built into Python, so there is no need to install it externally. The DateTime module provides some functions to get the current date as well as time.

Get the current date using date.today()

The today() method of date class under DateTime module returns a date object which contains the value of Today’s date.

Syntax: date.today() 

Returns: Return the current local date.

Example: 

Python3

from datetime import date

today = date.today()

print("Today date is: ", today)

Output:

Today date is:  2019-12-11

Get the current date using datetime.now()

Python library defines a function that can be primarily used to get the current time and datetime.now() function and return the current local date and time, which is defined under the DateTime module.

Syntax: datetime.now(tz) 

Parameters : tz : Specified time zone of which current time and date is required. (Uses Greenwich Meridian time by default.) Returns : Returns the current date and time in time format.

Example:

Python3

from datetime import datetime

now = datetime.now()

print("now = ", now)

Output:

now =  2019-12-11 10:58:37.039404

Attributes of now()

The now() has different attributes, same as attributes of time such as year, month, date, hour, minute, and second. 

Example

Python3

import datetime

current_time = datetime.datetime.now()

print ("The attributes of now() are : ")

print ("Year: ", end = "")

print (current_time.year)

print ("Month: ", end = "")

print (current_time.month)

print ("Day: ", end = "")

print (current_time.day)

Output:

The attributes of now() are: 
Year: 2019
Month: 12
Day: 11

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