Modified Julian Day Converter

Introduction

The Modified Julian Day (MJD) Converter is a tool that allows you to convert between Modified Julian Days and standard calendar dates. This user manual will guide you through the features and usage of the converter.

Features

Convert MJD to Calendar Date
Convert Calendar Date to MJD
Copy results to clipboard
Clear input fields

How to Use

Converting MJD to Calendar Date

Select the "MJD to Date" option in the Conversion Type section.
Enter the Modified Julian Day value in the input field.
Click the "Convert" button.
The corresponding calendar date will be displayed in the Result field.

Converting Calendar Date to MJD

Select the "Date to MJD" option in the Conversion Type section.
Use the date picker to select the desired date and time.
Click the "Convert" button.
The corresponding Modified Julian Day value will be displayed in the Result field.

Copying Results

After conversion, click the "Copy" button next to the result to copy it to your clipboard.

Clearing Fields

To start over, click the "Clear" button to reset all input fields and results.

Tips

Ensure you enter a valid MJD number when converting from MJD to Date.
When converting from Date to MJD, make sure to select both the date and time for accurate results.
The converter uses UTC (Coordinated Universal Time) for all calculations.

Troubleshooting

If you receive an error message, double-check that your input is in the correct format.
For MJD to Date conversions, ensure you're entering a numeric value.
For Date to MJD conversions, make sure you've selected a valid date and time.

Additional Information

The Modified Julian Day (MJD) is a standard way to measure dates in astronomy. It represents the number of days (and fractional days) since midnight on November 17, 1858. This system is particularly useful for astronomical calculations and for measuring long time intervals.