Date Converter

You can convert any date to ancient Attic (Athenian) from proleptic Julian 16/7/812 BC until Gregorian 31/12/25000 AD/ to Hebrew from proleptic Julian 7/10/3761 BC until Gregorian 31/12/25000 AD/ to Hijri from O.S. (Julian) 16/7/622 AD [622 AD = 1 AH - year 1 of Hegira] / to Coptic from O.S. (Julian) 29/8/284 AD [284 AD = year 1 of Era of Martyrs]/ to Ethiopian from O.S. (Julian) 29/8/8 AD [8 AD = year 1 of Mercy (Amätä Məhrät) / to Persian - Afghan Pastu - Kurdish from O.S. (Julian) 19/3/622 AD - N.S. (proleptic Gregorian) 22/3/622 AD / to Armenian from O.S. (Julian) 11/3/552 AD / to Baha'i from N.S. (Gregorian) 21/3/1844 AD / to Indian Civil from O.S. (Julian) 24/3/78 AD - N.S. (proleptic Gregorian) 22/3/78 AD [78 AD = year 0 Saka Samvat]/ to Hindu Traditonal from O.S. (proleptic Julian) 56 BC [56 BC is 1 Vikram Samvat (V.S.)]/to Japanese from 1/1/1873 AD/ to Traditional Zodiac Lunisolar Chinese from 1/1/2011 to 31/12/2030 AD/ to BS Nepali through a freely delivered algorith / to Mayan from proleptic Julian 6/9/3114 BC.
If you select a specific country, the input date refers to the calendar used in the region of the country. Thus if the date belongs to the period where the Gregorian Calendar has not yet been adopted in that country, the New Style (Gregorian) date is also given.

Insert date in the format day/month/year

Choose Old Calendarists/ Country Calendar

New Style <-> Old Style

Day of Week

Julian Day Number


Attic Calendar

Roman Calendar

Hebrew Calendar

Hijri Calendar

Coptic Calendar

Ethiopian Calendar

Persian Calendar

Afghan Calendar

Kurdish Calendar

Baha'i Calendar

Armenian Calendar

Mayan Calendar

Indian Civil Calendar

Hindu Traditional Calendar

Chinese Calendar

Japanese Calendar

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