Because that is the Torah's command (Exodus ch.31, Leviticus ch.23).
Saturday is the seventh day of the week, when God, having completed the
Creation, took the day off, told the Israelites to do the same (Exodus ch.20),
and called it the Sabbath Day.
You may take issue with this calculation, and that's certainly your prerogative.
But before you dismiss it as totally archaic and out of touch, you'll need to give
some thought to why Saturday is called "Sabato" in Italian and Esperanto, "Sabado"
in Spain, Portugal and Galicia, "Σάββατο" in Greece, "Sabtu" in Indonesia and
Malaysia, "Sobota" in Poland, Slovakia and Slovenia, "суббота" in Russia, "субота"
in Serbia and Ukraine, and "Subota" in Bosnia and Croatia. Could they ALL be
misguided?
A holy day for rest and worship is Friday for the Muslims, Saturday for the Jews and Sunday for the Christians
Holy Saturday is celebrated the day after Good Friday.
The weekly holy day for Jews is called Shabbat. Shabbat starts Friday at sundown and ends Saturday at sundown.
The day after Good Friday is called Holy Saturday.
Every week, pious Jews observe the Jewish holy day of Sabbath and follow its commandments and practices. The Sabbath begins at sunset on Friday and ends at sunset on Saturday.
The Jewish Sabbath is Saturday, from sundown on Friday until Saturday after dark.
It can be called Palm Sunday or Passion Sunday.
Shabbat which starts Friday at sundown and ends Saturday after twilight.
Their day of rest is called Shabbat which starts Friday sundown and ends Saturday sundown.
In the old testament, the Sabbath used to be the seventh day (Saturday). After the ascension of Christ, the members of the Church, whether Jews or gentiles, kept holy the first day of the week (Sunday) as a weekly commemoration of Christ's resurrection. __________ To this day the Jews keep Shabbat as per the Torah, on the seventh day of the week. This means that Shabbat starts at sundown Friday and ends sundown Saturday.
Yes, they do. This weekly holy day, from sundown on Friday night to sundown on Saturday night, is called Shabbat.
Sunday for the Christians Saturday for the Jews Friday for the Muslims Another View: Additionally, there are those fundamental Christians who are still Sabbath keepers like Jesus and the Apostles were. These celebrate the 'day of rest' aka Sabbath beginning on sunset Friday to sunset Saturday. They also observe the 7 Annual Holy/Feast Days known as 'High Sabbaths.'