<P> The month of Elul is the new year for counting animal tithes (ma'aser behemah). Tu Bishvat ("the 15th of Shevat") marks the new year for trees (and agricultural tithes). </P> <P> For the dates of the Jewish New Year see Jewish and Israeli holidays 2000--2050 or calculate using the section "Conversion between Jewish and civil calendars". </P> <P> The Jewish calendar is based on the Metonic cycle of 19 years, of which 12 are common (non-leap) years of 12 months and 7 are leap years of 13 months . To determine whether a Jewish year is a leap year, one must find its position in the 19 - year Metonic cycle . This position is calculated by dividing the Jewish year number by 19 and finding the remainder . For example, the Jewish year 5778 divided by 19 results in a remainder of 2, indicating that it is year 2 of the Metonic cycle . Since there is no year 0, a remainder of 0 indicates that the year is year 19 of the cycle . </P> <P> Years 3, 6, 8, 11, 14, 17, and 19 of the Metonic cycle are leap years . To assist in remembering this sequence, some people use the mnemonic Hebrew word GUCHADZaT "גוחאדז" ט "‎, where the Hebrew letters gimel - vav - het aleph - dalet - zayin - tet are used as Hebrew numerals equivalent to 3, 6, 8, 1, 4, 7, 9 . The keviyah records whether the year is leap or common: פ for peshuta (פשוטה), meaning simple and indicating a common year, and מ indicating a leap year (me'uberet, מעוברת). </P>

What is year 0 in the jewish calendar
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