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1. dev-mintaka.aavso.org › jd-calculatorJulian Date (JD) Calculator and Calendars | aavso

   dev-mintaka.aavso.org › jd-calculator

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   JD Calculator What is Julian Date? Compute the JD or UT yourself. To convert from JD to calendar date enter the Julian Date below:

2. stevegs.com › utils › jd_calcSteve's Julian Date Calculator

   stevegs.com › utils › jd_calc

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   Julian dates (abbreviated JD) are simply a contiguous count of days and fractions since noon Universal Time on 1st January, 4713 BCE (on the Julian calendar). Almost 2.5 million days have elapsed since that date. Julian dates are widely used as time variables in astronomical software.

3. www.calendarlabs.com › templates › 20202020 Julian Calendar - CalendarLabs

   www.calendarlabs.com › templates › 2020

   Julian Date Calendar for Year 2020. 216.

   • File Size: 87KB

   • Page Count: 1

4. www.amateurastronomy.org › scripts › JDCalculatorDoug's Excellent Julian Date Calculator - amateurastronomy.org

   www.amateurastronomy.org › scripts › JDCalculator

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   Doug's Excellent Julian Date Calculator. Enter the UT date and time in the appropriate fields and then press the Compute JD button.

5. apps.aavso.org › v2 › toolsJulian Date Converter - aavso

   apps.aavso.org › v2 › tools

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   This tool converts between UTC (Coordinated Universal Time) and Julian dates. You may download a reference calendar (pdf) from here: https://aavso.org/jd-calendar. UTC Date. Enter in any format (e.g. 1/1/1900, today) OR. Julian Date. Enter the Julian Date to convert to UTC.

6. www.longpelaexpertise.com.au › toolsJulianJulian Date Converter - Longpela Expertise

   www.longpelaexpertise.com.au › toolsJulian

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   1 day ago · Use this tool to convert between date and Julian (yyddd) date formats. Enter a valid date or Julian date, and click 'Convert'. To see an example, click 'Show Example'. Enter dates in the form mm/dd/yy, dd-mmm-yyyy, 'today', '+1 day' or similar. Enter Julian dates in the format yyddd, yy-ddd or yy.ddd.

7. People also ask

   What is the Julian date?

   • The Julian date counts the dates in continuous order, without starting over every month. That means that instead of saying 12th Feb 2024, the Julian calendar will count the day as 24043. The Julian Period is based on medieval astrological beliefs that involved a close observation of the night sky.

   Julian Date Today 2024 | Julian Date Converter

   www.juliandate.org/

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   How do you find the value of a Julian day?

   • Julian days are the counter, each day incremented by one. So, if you know the value of the Julian day for one date and the value of the Julian day for another, you can simply subtract one from another and find the difference.

   Julian days calculation - Online calculators

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   What is the Julian calendar 2024?

   • Many of the principles of the Julian calendar were introduced by Julius Caesar in 46 BC, after which the month July is named. According to this calendar 2024 is a leap year, meaning there is one extra day in February, meaning 29 days. How To Find Out Today's Julian Date?

   Julian Date Today 2024 | Julian Date Converter

   www.juliandate.org/

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   What is a modified Julian date?

   • Because the first two digits of a Julian day remain constant for about three centuries, sometimes a shorter version of a Julian day, the Modified Julian Date is used. The start of Modified Julian days (MJD) is defined as midnight of November, 17th, 1858, and

   Julian days calculation - Online calculators

   planetcalc.com/503/

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8. planetcalc.com › 503Online calculator: Julian days calculation

   planetcalc.com › 503

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   Julian days calculation. Calculation of the Julian day for a given date, plus some information. Astronomers often need to know the difference between two dates, or to be able to calculate the next date of a periodic event.