hii readers,

readers, This Is Our Third Part of Python Date And Time Tutorials Series. And In This Post, I Going To Show You How To Use Python DateTime Module With Practical Examples.

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So, let's start with some practical usages examples.

datetime_part_3 slides

In [1]:

#!/usr/bin/python
#
# ============================================
#       PYTHON DATETIME MODULE TUTORIAL
# ============================================
#
# Author :  
#          surajsinghbisht054@gmail.com
#          https://www.bitforestinfo.com
# 
#
# Here, I am Using
# 
# Operating System : Ubuntu 16.04 LTS
# Python Version   : 2.7.12
# Editor           : ipython notebook
#
#

In [2]:

#
# Import Module
#
import datetime

In [3]:

#
# datetime.timedelta(days, seconds, microseconds, milliseconds, minutes, hours, weeks)
#
#        A duration expressing the difference between two date, 
#        time, or datetime instances to microsecond resolution.
#
# let me show you how to use it
#
dt = datetime.timedelta(days=6, hours=8092,minutes=5128)
#
# as you can see here i enter 6 days, 8092 hours and
# 5128 minutes
#
# and now, let check output
print dt

346 days, 17:28:00

In [4]:

#
# hmm, as you can see we get well managed output.
#
# let's try more things
#
print "[1] Total Days    : ", dt
print "[2] Total Seconds : ",dt.total_seconds()

[1] Total Days    :  346 days, 17:28:00
[2] Total Seconds :  29957280.0

In [5]:

#
# Passing All Arguments one by one
#
print "[1] Microseconds ",datetime.timedelta(microseconds=1)
print "[2] Milliseconds ",datetime.timedelta(milliseconds=1)
print "[3] Seconds      ",datetime.timedelta(seconds=1)
print "[4] Minutes      ",datetime.timedelta(minutes=1)
print "[5] Hours        ",datetime.timedelta(hours=1)
print "[6] Days         ",datetime.timedelta(days=1)
print "[7] Weeks        ",datetime.timedelta(weeks=1)

[1] Microseconds  0:00:00.000001
[2] Milliseconds  0:00:00.001000
[3] Seconds       0:00:01
[4] Minutes       0:01:00
[5] Hours         1:00:00
[6] Days          1 day, 0:00:00
[7] Weeks         7 days, 0:00:00

In [6]:

#
# Now, Here, I am going to shw you valid mathematics
# function with timedetla class
#
# but for this first take two object
# my first object
t1 = datetime.timedelta(days=6)
#
# print object
#
print t1
#
# my second object
#
t2 = datetime.timedelta(hours=92,minutes=28)
#
# print object
#
print t2

6 days, 0:00:00
3 days, 20:28:00

In [7]:

#
# addition
#
print t1 + t2
#
# substraction
#
print t1 - t2
#
# multiplication
#
print t1 * 15
#
# division
#
print t1 / 2

9 days, 20:28:00
2 days, 3:32:00
90 days, 0:00:00
3 days, 0:00:00

In [8]:

#
# Comparing Values
#
#  more than 
#
print "is t1 is smaller than t2 : ", t1 < t2
#
# less then
#
print "is t1 is bigger than t2  : ", t1 > t2

is t1 is smaller than t2 :  False
is t1 is bigger than t2  :  True

In [9]:

#
# and in the end of this tutorial,
# let me show you an example of age 
# calculator.
#
# first take date for calculation
#
dt=datetime.date(1995,6,25)
#
# second, take current date for comparision
#
now = datetime.date.today()

In [10]:

#
# now, substract first date from current date 
#
age = abs(now-dt)

In [11]:

#
# here, we got our age.
#
print age

7949 days, 0:00:00

In [12]:

#
# So, readers, Today Tutorials Ends Here.
# But readers, Don't Worry, In Next Tutorial.
# i will show you more interesting topic.
#
#
# Reference :
# 
# Python Official Website:
#         https://docs.python.org/2/library/datetime.html
#
#

This Part Ends Here.

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