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How to Convert Time to 24 Hour Time in Python

Submitted by razormist on Tuesday, August 13, 2024 - 23:50.

In this tutorial, we will program 'How to Convert Time to 24-Hour Format in Python.' We will learn how to convert AM/PM time to the 24-hour format. The objective is to convert 12-hour time into the 24-hour time format. I will provide a sample program to demonstrate the actual coding process in this tutorial.

This topic is very easy to understand. Just follow the instructions I provide, and you will be able to do it yourself with ease. The program I will show you covers the basics of programming for creating a lap timer. I will do my best to provide you with a simple method for starting a lap timer. So, let's start with the coding.

Getting Started:

First you will have to download & install the Python IDLE's, here's the link for the Integrated Development And Learning Environment for Python https://www.python.org/downloads/.

Creating Main Function

This is the main function of the application. The following code will display a simple GUI in terminal console that will display program. To do this, simply copy and paste these blocks of code into the IDLE text editor.
  1. def convert24(str1):
  2.        
  3.  
  4.         if str1[-2:] == "AM" and str1[:2] == "12":
  5.                 return "00" + str1[2:-2]
  6.                          
  7.         elif str1[-2:] == "AM":
  8.                 return str1[:-2]
  9.        
  10.  
  11.         elif str1[-2:] == "PM" and str1[:2] == "12":
  12.                 return str1[:-2]
  13.                
  14.         else:
  15.                
  16.                 return str(int(str1[:2]) + 12) + str1[2:8]
  17.  
  18.  
  19. print("\n================== Convert Time to 24 Hour Time  ==================\n\n")
  20.          
  21. print("Time is: ",convert24("10:15:00 PM"))

The convert24 function is designed to convert a 12-hour time format (with "AM" or "PM") to a 24-hour time format. However, there's a small issue in the else clause where the PM time is converted. The function attempts to convert the hour part of the time string from 12-hour format to 24-hour format but mistakenly concatenates the hour conversion as a string without correcting the rest of the time string.

Output:

There you have it we successfully created How to Convert Time to 24 Hour Time in Python. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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Python
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