Date and Time Calculator will let you easily add and subtract dates and time intervals.
It features common date-related calculations, detailed date information (julian day number, day of year, etc), moon phase information, birth date calculator, due date calculator, and much more!

• Julian Day Converter 1.0
  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....

• Julian-Gregorian-Dee Date Calculator 4.25
  Windows software to convert between Julian, Gregorian, Dee and Dee-Cecil calendar dates in various formats, and to add and subtract a number of days, weeks, months and years to or from a given date

• RamCal 2.1
  RamCal is a perpetual calendar that gives the day of the week for any given date. It's a universal calendar that converts dates into the following calendars : Gregorian, Julian, Julian with Roman style (kalends, nones, ides), French republican (as...

• Lifespan Age Calculator by Peter Riddell 3.0
  LIFESPAN AGE CALCULATOR can subtract dates answering in days months and years elapsed

• Easy Date Converter 7.6
  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

• Easy Date Converter 10.95
  Adds or subtracts a number of days or months to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week, Hermetic Leap Week and day-in-year (yyyy-ddd)

• Easy Date Converter Advanced Version 10.95
  Adds a number of days to a date, gets the number of days between dates, and converts among dates in various calendars: Gregorian, Julian, ISO 8601 and more

• Ultimate Date Calculator 2.9.0.0
  Professional date calculator for commercial use

• ESBDateCalc Pro - Date Calculator 1.1.0
  ESBDateCalc Pro is our Date and Time Calculator for Windows and it aims to provide a sophisticated yet easy to use tool to perform Date and Time Calculations including National, Jewish and Christian Holidays, as well as Date Ranges and Time Zones