Convert a date from the Icelandic calendar to its corresponding Gregorian calendar date:

Convert from the Gregorian to the Julian calendar:

Convert from the Islamic to the Jewish calendar:

Convert multiple dates to a given calendar:

Convert a date to the default calendar type:

Explicitly convert to the Gregorian calendar:

Convert the beginning of the Julian date calendar to the Gregorian calendar:

Compare to the result obtained using FromJulianDate directly:

Yom Kippur occurs on the 10th day of Tishrei (Ecclesiastical month 7) in the Jewish calendar:

Give the corresponding date in the Gregorian calendar:

Convert a list of dates specified in different calendars to the Gregorian calendar:

William Shakespeare died on April 23, 1616, in the Julian calendar:

In the Gregorian calendar, that corresponds to May 3:

Julian date 0 corresponds to this instant in the proleptic Gregorian calendar:

It is January 1, -4713 noon GMT in the Julian calendar:

DateObject[CalendarType->cal] is equivalent to CalendarConvert[DateObject[],cal]:

Dates between March 1, 200 and February 28, 300 coincide in the Gregorian and Julian calendars:

For dates with coarse granularity, such as DateObject[{2022}], different calendars may not align completely:

In such cases, CalendarConvert will use the midpoint of the given date for conversion:

Get the current date in all available calendars: