Advanced Date Time Calculator is a full-featured date time calculator. It calculates the result date time by adding/subtracting some years, months, weeks, days, hours, minutes and/or seconds to/from a base time. Moreover, it calculates the differences between two times and counts the days of week, weekdays, weekends between two dates.
This program can convert between various date time elements. In addition, it calculates the exact date indicated by a large days/seconds number that passed from UNIX base date.
Time Difference Calculator will calculate the number of days, hours and minutes.
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