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Gregorian calendar. Julian calendar. The calendar eras.

The calculator convers julian calendar date to gregorian calendar date taking in account the calendar era.

Created on PLANETCALC

Julian to Gregorian calendar

  • Date by the Julian Day Number

    Displays Gregorian calendar date corresponding to Julian Day Number

  • Date plus days

    This online calculator computes the result of addition/subtraction of the given number of days to the given date.

  • Date to timestamp converter

    This calculator converts date to epoch timestamp in milliseconds, that is, milliseconds since standard epoch of 1/1/1970, as used, for example, in Javascript.

  • Day of week by date

    This online calculator outputs day of week for given date

  • Days between dates. A historical version.

    Calculates number of days between two dates taking in account the date of transition to Gregorian calendar.

  • Days count in several date spans

    The calculator gives total number of days in date span list. Each date span is defined by start date and end date. The calculator can exclude multiple date date span intersections.

Issue number generator

Issue Number Generator for unnumbered magazines & comics & newspapers. If magazine did not print issue numbers, only dates, it can number them all, f.e. all Sundays starting with specified date up to specified date

Created on PLANETCALC

Weekly issue number generator

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