<P> Shavua (שבוע) is a weekly cycle of seven days, mirroring the seven - day period of the Book of Genesis in which the world is created . The names for the days of the week, like those in the creation account, are simply the day number within the week, with Shabbat being the seventh day . Each day of the week runs from sunset to the following sunset and is figured locally . </P> <P> The Hebrew calendar follows a seven - day weekly cycle, which runs concurrently with but independently of the monthly and annual cycles . The names for the days of the week are simply the day number within the week . In Hebrew, these names may be abbreviated using the numerical value of the Hebrew letters, for example יום א ׳ ‬ (Day 1, or Yom Rishon (יום ראשון ‬)): </P> <Ol> <Li> Yom Rishon--יום ראשון ‬ (abbreviated יום א ׳ ‬), meaning "first day" (corresponds to Sunday) (starting at preceding sunset of Saturday) </Li> <Li> Yom Sheni--יום שני ‬ (abbr . יום ב ׳ ‬) meaning "second day" (corresponds to Monday) </Li> <Li> Yom Shlishi--יום שלישי ‬ (abbr . יום ג ׳ ‬) meaning "third day" (corresponds to Tuesday) </Li> <Li> Yom Reviʻi--יום רביעי ‬ (abbr . יום ד ׳ ‬) meaning "fourth day" (corresponds to Wednesday) </Li> <Li> Yom Chamishi--יום חמישי ‬ (abbr . יום ה ׳ ‬) = "fifth day" (corresponds to Thursday) </Li> <Li> Yom Shishi--יום ששי ‬ (abbr . יום ו ׳ ‬) meaning "sixth day" (corresponds to Friday) </Li> <Li> Yom Shabbat--יום שבת ‬ (abbr . יום ש ׳ ‬), or more usually, simply Shabbat--שבת ‬ meaning "rest day" (corresponds to Saturday) </Li> </Ol> <Li> Yom Rishon--יום ראשון ‬ (abbreviated יום א ׳ ‬), meaning "first day" (corresponds to Sunday) (starting at preceding sunset of Saturday) </Li>

What is the first day of the week in the jewish calendar