A Hebrew
birthday
A birthday is the anniversary of the birth of a person, or figuratively of an institution. Birthdays of people are celebrated in numerous cultures, often with birthday gifts, birthday cards, a birthday party, or a rite of passage.
Many re ...
(also known as a
Jewish
Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...
birthday) is the date on which a person is born according to the
Hebrew calendar
The Hebrew calendar ( he, הַלּוּחַ הָעִבְרִי, translit=HaLuah HaIvri), also called the Jewish calendar, is a lunisolar calendar used today for Jewish religious observance, and as an official calendar of the state of Israel. ...
. This is important for
Jews
Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...
, particularly when calculating the correct date for day of birth, day of death, a
bar mitzva or a
bat mitzva. This is because the
Jewish calendar
The Hebrew calendar ( he, הַלּוּחַ הָעִבְרִי, translit=HaLuah HaIvri), also called the Jewish calendar, is a lunisolar calendar used today for Jewish religious observance, and as an official calendar of the state of Israel. ...
differs from the secular and Christian
Gregorian calendar
The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years dif ...
as well as from the
Islamic calendar
The Hijri calendar ( ar, ٱلتَّقْوِيم ٱلْهِجْرِيّ, translit=al-taqwīm al-hijrī), also known in English as the Muslim calendar and Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 ...
, in most years the two birthdays do not coincide - typically, they coincide just once in 19 years.
:"A person wanting to know the civil date for celebrating a Jewish birthday ... must first determine the date within the Jewish calendar (not necessarily a straightforward procedure) and then determine the corresponding day in the civil calendar."
The exercise is made more complicated by the fact that Jewish days start and end in the evening, so a person born after dusk will have the following day's date as their birthday.
Especially among
Hasidic Jews
Hasidism, sometimes spelled Chassidism, and also known as Hasidic Judaism (Ashkenazi Hebrew: חסידות ''Ḥăsīdus'', ; originally, "piety"), is a Jewish religious group that arose as a spiritual revival movement in the territory of contem ...
, there is a custom that a boy's first haircut takes place on his third Hebrew birthday known as an ''
upsherin
Upsherin, Upsheren, Opsherin or Upsherinish (Yiddish: אפשערן, lit. "shear off", Judaeo-Arabic: חלאקה, ''ḥalāqah'') is a haircutting ceremony observed by a wide cross-section of Jews and is particularly popular in Haredi Jewish ...
''.
References
Birthdays
Jewish traditions
Hebrew calendar
Jewish life cycle
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