Gregorian To Julian Day Converter

Gregorian To Julian Day Converter

This is an online converter that you can use to convert gregorian date to Julian day quickly. Convert the gregorian date to Julian day free in one click!

Enter a date:


How to use the gregorian date to Julian day converter

To calculate Julian’s day using this converter is very easy, all you need are the following two steps:

First, enter the gregorian date in (Month/Day/Year) format.

Then, click on the convert button, it is very simple.

What is Julian day and what is Julian day today?

Julian days are a system of continuous numbering of days. Julian Day is equal to the number of days that have elapsed since Greenwich Noon (12:00 GMT) on January 1, 4713 BC to a given point. Julian’s days are usually denoted by the letter JD.

Julian days are widely used in astronomy and chronology.

The Julian day today is:

Additionally, you can convert Julian day to gregorian date using the Julian day to gregorian date converter.

What are the Julian day system drawbacks

The Julian day system has two drawbacks:

First, Julian day begins at noon, which does not coincide with the civil time order adopted today, according to which the day begins at midnight.

Second, The Julian day value corresponding to the modern era is very large, and the higher digits of this number do not change over foreseeable time intervals.

Gregorian To Julian Day Converter

Examples of the conversion result from Gregorian date to Julian day

This is a table for some conversion results from the gregorian date to Julian day

Gregorian date Julian day
02/17/1900 2415068
07/22/1931 2426545
12/08/1977 2443486
04/18/1994 2449461
09/22/2001 2452175
10/09/2008 2454749
11/24/2016 2457717
01/13/2023 2459958