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Easy Date Converter Advanced Version
Adds a number of days to a date, calculates the number of days between two dates and converts among Gregorian dates, Julian dates, ISO Week dates, Hermetic Leap Week dates, Julian day numbers and ordinal dates. Weekends may be included or excluded. It has a built-in programming language, with control structures, variables, functions and file output; this allows users to do batch date conversions and to run their own date-processing programs.
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AllDay
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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TrayDay
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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Millennia Calendar Lite
Millennia Calendar Lite displays 6 calendars (Gregorian, Julian, Hebrew, Islamic, Coptic, Indian), Julian Day and phases of the Moon for 8.5 thousand years.
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Easy Date Converter
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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Julian Day Converter
This utility can convert a gregorian date into julian day format/Modified Julian Day format and vice versa. The Julian Day Format counts the day since the 24th november -4713bc. The julian day format is often used in the astronomical section to calculate for example rises.
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Lunar Calendars and Eclipse Finder
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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UltimaCalc
A calculator with minimal screen footprint and text input. See what you typed, edit it, log calculations as text file. Algebraic expressions, trigonometry, definite integrals, prime numbers. User defined functions and constants. Also Bar charts, Scatter charts, Regression (Linear, Polynomial, Multivariate, Absolute Deviation); Standard Deviation; Plot functions; Solve Triangles; Simultaneous Linear Equations; Polynomial Roots; Navigation; Dates.
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Chinese Calendrics
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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