People who are not Jewish will variously tell you the Jewish holy day, the Shabbat, is Friday or Saturday. They're both correct to an extent, because the Jewish day begins at nightfall rather than at midnight as is the case with the secular calendar. As a result, Shabbat starts at nightfall on Friday (though Shabbat prayers are said and candles lit shortly before nightfall) and ends shortly after nightfall (havdalah) on Saturday.
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Judaism's major Holy Days are:Passover/Festival of MatzahShavoutRosh HaShanahYom KippurSukkotSimchat TorahMinor holidays include:PurimLag B'OmerTisha B'vHanukkahSee the attached Related Link.
Judaism
1) The theological difference that leads to the difference in the observance of holy days by the various branches of Judaism is (on the one hand) the complete acceptance of the details of the Torah including its holy days (by Orthodox Judaism), or on the other hand, the belief that Torah-laws may be observed more leniently or adapted to modern or personal needs (by Liberal Judaism). 2) The cultural difference is that Jews in different countries have minor differences in customs such as what foods to seve on the holy days.
Most of the annual holy days are concentrated in the month of Tishrei. However, Judaism doesn't have the concept of a holy month.
The traditions of Judaism include its beliefs and its laws and practices, of which the holy days are one part. These all have the role of making Judaism what it is, since without them, Judaism becomes a mere cultural phenomenon that evaporates within a couple of generations (as history has shown). See also:Jewish beliefsJewish lawsThe Jewish festivals
Judaism is a religion, not a place.
Judaism was in what is now called Israel. Its holy book is the Tanakh, which contains the Torah and the prophetic books.
Judaism: Tanakh (Hebrew Bible) Christianity: Bible Islam: Holy Quran
Abraham was the founder of Judaism, in the Holy Land.
Judaism, Christianity, and Islam have all claimed the Holy Land for themselves.
The same as they do now, at the very least. God does not change His commands. See also:Jewish holy daysJewish traditions