Adar I

E16733

Adar I is the leap-year intercalary month added to the Hebrew calendar before the regular month of Adar.

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Observed surface forms (3)

Surface form Occurrences
Adar II 4
Adar Aleph 1
Adar Rishon 1

Statements (43)

Predicate Object
instanceOf Hebrew calendar month
intercalary month
leap month
addedBefore Adar
alsoKnownAs Adar I
surface form: Adar Aleph

Adar I
surface form: Adar Rishon

First Adar
associatedWithHoliday Purim Katan
calendarFunction intercalation to align lunar months with solar year
calendarType religious year numbering
containsFast Ta’anit Esther in some traditions
contrastedWith Adar
surface form: Adar (in common years)

Adar II
follows Tevet
surface form: Shevat
halachicNote major Purim is observed in Adar II, not Adar I
hasApproximateGregorianOccurrence February–March
hasLength 30 days
hasNumericDesignation month 12 in leap years
holidayStatus regular month for most religious observances
languageOfName Hebrew
occursFrequency 7 times in every 19-year Metonic cycle
occursIn Hebrew leap year
occursInYearsOfCycle 11th year of 19-year cycle
14th year of 19-year cycle
17th year of 19-year cycle
19th year of 19-year cycle
3rd year of 19-year cycle
6th year of 19-year cycle
8th year of 19-year cycle
partOf Hebrew calendar
positionInLeapYear 12th month
month before Adar II
precedes Adar
Adar I self-linksurface differs
surface form: Adar II
PurimKatanDate 14 Adar I
ShushanPurimKatanDate 15 Adar I
usedByCommunity Karaite Jews
surface form: Karaite Judaism

Rabbinic Judaism
usedFor dating of Jewish legal documents in leap years
usedIn Hebrew calendar
surface form: lunisolar Hebrew calendar
usedInContext Jewish civil life in Hebrew dates
Jewish liturgy
Jewish religious observance

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

Adar I alsoKnownAs Adar I
this entity surface form: Adar Rishon
Adar I alsoKnownAs Adar I
this entity surface form: Adar Aleph
this entity surface form: Adar II
Adar hasLeapYearVariant Adar I
Adar hasLeapYearVariant Adar I
this entity surface form: Adar II
Hebrew calendar hasMonth Adar I
Hebrew calendar hasMonth Adar I
this entity surface form: Adar II
Purim Katan occursInMonth Adar I
Adar I precedes Adar I self-linksurface differs
this entity surface form: Adar II