Download Julian Day Number Software

AllDay by CalCom

Calendar for year overviews. Gregorian, Julian, Jewish, Islamic calendar systems supported. Computes holidays, sunrise, sunset, moonrise, moonset, moon phase, number of day in year, number of week in year, julian day number, remaining days in year, remaining weeks in year. Personal events like holidays, birthdays, vacations etc. Day events and period events with vavarious repeat types. Import/export, count number of days, inspector, event list.

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Lunar Calendars and Eclipse Finder by Hermetic Systems

A program to search for eclipses (lunar, solar, total, annual and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in various lunar calendar (Goddess, Meyer-Palmen and Liberalia Triday).

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Easy Date Converter by Hermetic Systems

Does date arithmetic (adds a number of days to a date and calculates the number of days between two dates) and converts among Gregorian dates, Julian dates, Annus Novus dates, Julian day numbers and day-in-year dates of the form yyyyddd. Designed for easy performance of date calculations. Program is trilingual: English, German and Spanish.

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TrayDay by MJMSoft Design Ltd.

TrayDay: today's date at a glance, in the system tray, with popup calendar which you can keep on top of other windows if you like. Can show week numbers to ISO (or your own) standard. Type any date anywhere, in your own language, and with user-defined formats. These can include counters and ordinals, and week/day number dates, eg 2002-W14-1 for April 1, 2002. Julian Day and Internet Time features.

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Chinese Calendrics by Hermetic Systems

A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year. Supports 60-year and 60-day cycles, includes Chinese names, and allows searching for dates and times of full moons, dark moons, solar terms, equinoxes, solstices and more.

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