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Hi I am looking to convert the date to Julian format.
For example,
11/10/2018 to julian format 8284

What I have tried:

Tried to convert but to no joy.
Updated 12-Oct-18 0:42am
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Solution 3

Tried to convert but to no joy.

Programming is not a matter of joy or luck, it is a matter of method and research.
You need to try harder, or show your code to get help.

So, you show no attempt to solve the problem yourself, you have no question, you just want us to do your HomeWork.
HomeWork problems are simplified versions of the kind of problems you will have to solve in real life, their purpose is learning and practicing.

We do not do your HomeWork.
HomeWork is not set to test your skills at begging other people to do your work, it is set to make you think and to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them.
Any failure of you will help your teacher spot your weaknesses and set remedial actions.
Any failure of you will help you to learn what works and what don't, it is called 'trial and error' learning.
So, give it a try, reread your lessons and start working. If you are stuck on a specific problem, show your code and explain this exact problem, we might help.

As programmer, your job is to create algorithms that solve specific problems and you can't rely on someone else to eternally do it for you, so there is a time where you will have to learn how to. And the sooner, the better.
When you just ask for the solution, it is like trying to learn to drive a car by having someone else training.
Creating an algorithm is basically finding the maths and make necessary adaptation to fit your actual problem.
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Solution 4

You can use following code :

Private Function ConvertToJulian(InputDate As Date) As String
Dim strYear As String = InputDate.Year
Dim nDays As Integer = InputDate.DayOfYear
Return strYear & nDays.ToString("000")
End Function
Richard Deeming 12-Oct-18 13:45pm
Well, you could, if you didn't care about getting the answer even remotely right!

Julian day number calculation[^] is nowhere near as simple as that.
MKDel20 23-Oct-18 1:47am
Hey Richard, There are "two" types of Julian dates. See here :

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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