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Hebrew calendar

The calculator converts dates from Hebrew calendar to Gregorian and vice versa.

The Hebrew calendar is a lunisolar calendar used for Jewish religious purposes. The calendar tries to match both the lunar months and the solar year. Since this task is quite complicated, the calendar rules is complicated too (see below the calculators). Use the following calculators to convert Gregorian dates and Hebrew dates.

PLANETCALC, Hebrew date to Gregorian date

Hebrew date to Gregorian date

Date
 



The inverse conversion:

PLANETCALC, Gregorian date to Hebrew date

Gregorian date to Hebrew date

Year
 
Month
 
Month name
 
Day
 

The Hebrew calendar rules

The Hebrew year consists of 12 months in a common year and 13 months in a leap year. The additional 30-day month (Adar I) is inserted before the 29-days (Adar II) every 3,6,8,11,14,17,19 year of the 19-year cycle. The length of 8th and 9th months varies from 29 to 30 days according to the complex criteria, which is fully described in the book1 or wikipedia2. A new Hebrew year begins on the 1st of 7th month (Tishri). Unlike Gregorian calendar, a Hebrew day begins on sunset, so you should allow one day correction if the calculation is performed for the period of time between sunset and midnight.

The Hebrew calendar summary

Calendar type Lunisolar
Place Israel
Days in a year 365.2468
Effective date 9th century CE
End date present
Epoch (Julian) October 7th, 3761 BCE
Month count 12,13
Days in a week 7
Days in a year 353-355, 383-385
Days in a month 30, 29
Leap year every 3d, 6th, 8th, 11th, 14th, 17th, 19th year is leap

Month names

#,Month name Days
1, Nisan 30
2, Iyyar 29
3, Sivan 30
4, Tammuz 29
5, Av 30
6, Elul 29
7, Tishri 30
8, Marheshvan 29,30
9, Kislev 29,30
10, Tevet 29
11, Shevat 30
12, Adar I 30
13, Adar, Adar II 29

  1. N.Dershowitz, E.M. Reingold Calendrical Calculations Third edition, p.p. 89-101 

  2. Wikipedia: Hebrew Calendar 

Creative Commons Attribution/Share-Alike License 3.0 (Unported) PLANETCALC, Hebrew calendar

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