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now() function in Python - GeeksforGeeks

Last Updated : 15 Oct, 2020

Python library defines a function that can be primarily used to get current time and date.

function Return the current local date and time, which is defined under

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.

# Python3 code to demonstrate
# Getting current time using 
# now().

# importing datetime module for now()
import datetime

# using now() to get current time
current_time = datetime.datetime.now()

# Printing value of now.
print ("Time now at greenwich meridian is : "
                                    , end = "")
print (current_time)

Output :

Time now at greenwich meridian is : 2018-03-29 10:26:23.473031

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

Demonstrate attributes of now().

# Python3 code to demonstrate
# attributes of now()

# importing datetime module for now()
import datetime

# using now() to get current time
current_time = datetime.datetime.now()

# Printing attributes of 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)

print ("Hour : ", end = "")
print (current_time.hour)

print ("Minute : ", end = "")
print (current_time.minute)

print ("Second : ", end = "")
print (current_time.second)

print ("Microsecond : ", end = "")
print (current_time.microsecond)

The attributes of now() are : 
Year : 2018
Month : 3
Day : 26
Hour : 20
Minute : 9
Second : 4
Microsecond : 499806

Sometimes, the need is just to get the current time of a particular timezone. now() takes timezone as input to give timezone oriented output time. But these time zones are defined in

library.

Use of now() to handle specific timezone.

# Python3 code to demonstrate
# attributes of now() for timezone

# for now()
import datetime

# for timezone()
import pytz

# using now() to get current time
current_time = datetime.datetime.now(pytz.timezone('Asia / Calcutta'))

# printing current time in india
print ("The current time in india is : ")
print (current_time) 

Output:

The current time in india is : 
2018-03-29 03:09:33.878000+05:30

Above code won't work on online IDE due to absence of

module.

While developing any real world application, we might need to show real time of any timezone. now() function can do the work here very efficiently and easily.

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