Is Friday night the Sabbath?
According to halakha (Jewish religious law), Shabbat is observed from a few minutes before sunset on Friday evening until the appearance of three stars in the sky on Saturday night. Shabbat is ushered in by lighting candles and reciting a blessing.
What do you do on Shabbat on Friday?
Shabbat at the synagogue
On Friday evening, prayers are said at the synagogue. In Orthodox synagogues, these prayers happen at sunset, whereas in Reform synagogues they happen at a set time. Shabbat is welcomed with hymns, prayers and psalms called Kabbalat Shabbat.