left|thumb|upright|Captain Samuel Cass, a rabbi, conducting the first prayer service celebrated on German territory by Jewish personnel of the First Canadian Army near Cleve, Germany, 18 March 1945 Observant Jews pray three times a day, Shacharit, Mincha, and Ma'ariv with lengthier prayers on special days, such as the Shabbat and Jewish holidays including Musaf and the reading of the Torah. The siddur is the prayerbook used by Jews all over the world, containing a set order of daily prayers. Jewish prayer is usually described as having two aspects: kavanah (intention) and keva (the ritualistic, structured elements).
left|thumb|upright|captain samuel cass a rabbi conducting the first prayer service celebrated on german territory by jewish personnel of the first canadian army near cleve germany 18 march 1945 observant jews pray three times a day shacharit mincha and ma'ariv with lengthier prayers on special days such as the shabbat and jewish holidays including musaf and the reading of the torah the siddur is the prayerbook used by jews all over the world containing a set order of daily prayers jewish prayer is usually described as having two aspects kavanah (intention) and keva (the ritualistic structured elements)