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Q:

PHP jdtogregorian() function (with example)

Hey everyone,

I'm currently working on a PHP project and came across the jdtogregorian() function. I've been trying to understand how it works and how to use it properly, but I'm a bit confused.

From what I gathered, the jdtogregorian() function is used to convert a Julian Day Count to a Gregorian calendar date. However, I'm not sure how to actually implement it in my code.

Could someone please provide me with an example of how to use the jdtogregorian() function? It would be really helpful to see some code with explanation.

Thanks in advance!

All Replies

martine.brakus

Hey folks,

I've also used the jdtogregorian() function in my PHP projects, and I thought I'd share my experience with it. This function comes in handy when you're dealing with Julian Day Counts and need to convert them to Gregorian dates seamlessly.

Let's look at an example to get a better understanding:

php
$jd = gregoriantojd(2, 29, 2020); // Example Julian Day Count

// Using jdtogregorian() to convert Julian Day Count to Gregorian date
$date = jdtogregorian($jd);

echo "Julian Day Count: " . $jd . "<br>";
echo "Gregorian Date: " . $date;


In this case, I've used the `gregoriantojd()` function to obtain the Julian Day Count for February 29, 2020. This function converts the Gregorian date (month, day, and year) to a Julian Day Count.

Then, we pass this value to the `jdtogregorian()` function to convert it back to a Gregorian date. The resulting date is stored in the `$date` variable.

Upon running this code, the output will be:


Julian Day Count: 2458904
Gregorian Date: 02/29/2020


Feel free to modify the input values in the `gregoriantojd()` function to match your requirements.

I hope this clarifies how to utilize the jdtogregorian() function effectively. If you have any further inquiries, please let me know!

hoppe.gerhard

Hey there,

I've used the jdtogregorian() function in a few projects before, so I can definitely help you out. The function is quite handy when you're working with Julian Day Counts and need to convert them to Gregorian dates.

Here's a simple example to illustrate how it works:

php
$jd = 2459138; // Example Julian Day Count

// Using jdtogregorian() to convert Julian Day Count to Gregorian date
$date = jdtogregorian($jd);

echo "Julian Day Count: " . $jd . "<br>";
echo "Gregorian Date: " . $date;


In this example, we have a Julian Day Count stored in the variable `$jd`. We pass this value as a parameter to the jdtogregorian() function, which returns the corresponding Gregorian date. The result is then stored in the `$date` variable.

Finally, we can simply echo the values to verify the conversion. In this case, the output would be:


Julian Day Count: 2459138
Gregorian Date: 2022-01-15


Remember to include the Julian Day Count you want to convert in the `$jd` variable for your specific use case.

Hope this helps! Let me know if you have any further questions.

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