# Digital Clock Application User Manual

## Introduction
The Digital Clock Application is a simple mobile app that displays the current time in either a 12-hour or 24-hour format. It provides a convenient and easy-to-use interface for users to check the time on their mobile devices.

## Main Functions
The Digital Clock Application offers the following main functions:

1. Display Current Time: The app displays the current time on the screen in a large font size, making it easy to read.

2. 12-hour or 24-hour Format: Users can choose between a 12-hour or 24-hour time format based on their preference.

## Installation

To install and run the Digital Clock Application, please follow these steps:

1. Ensure that you have Python installed on your system. If not, you can download and install Python from the official website: [Python.org](https://www.python.org/).

2. Download the source code files for the Digital Clock Application.

3. Open a terminal or command prompt and navigate to the directory where you downloaded the source code files.

4. Install the required dependencies by running the following command:

   ```
   pip install -r requirements.txt
   ```

   This will install the necessary packages, including `tkinter` and `datetime`.

## Usage

To use the Digital Clock Application, follow these steps:

1. Open a terminal or command prompt and navigate to the directory where you downloaded the source code files.

2. Run the following command to start the application:

   ```
   python main.py
   ```

3. The Digital Clock Application window will open, displaying the current time.

4. To switch between the 12-hour and 24-hour time format, click on the "Settings" button in the application window.

5. In the settings menu, select your preferred time format and click "Save".

6. The application will automatically update the time display according to your chosen format.

7. To exit the application, simply close the application window.

## Conclusion

The Digital Clock Application provides a simple and convenient way to check the current time on your mobile device. With its easy-to-use interface and customizable time format, it offers a user-friendly experience for users. Enjoy using the Digital Clock Application!