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Use these forms to obtain rise, set, and transit times for the Sun and Moon; civil twilight beginning and end times; and, lunar phase information for any year between 1700 and 2100. First, specify the date and location in one of the two forms below. Then, click the "Get data" button at the end of the form. Use Form A for cities or towns in the U.S. or its territories. Use Form B for all other loca
Calendar date to Julian date Year: Month: Day: AD BC Hour: Minute: Second: Universal Time (UT1) Julian date to Calendar date Julian Date: Notes Julian dates (abbreviated JD) are simply a continuous count of days and fractions since noon Universal Time on January 1, 4713 BC (on the Julian calendar). Almost 2.5 million days have transpired since this date. Julian dates are widely used as time varia
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