לְדָוִ֨ד ׀ יְהוָ֤ה ׀ אוֹרִ֣י וְ֭יִשְׁעִי מִמִּ֣י אִירָ֑א יְהוָ֥ה מָֽעוֹז־חַ֝יַּ֗י מִמִּ֥י אֶפְחָֽד׃
[A Psalm] of David. The LORD is my light and my salvation; whom shall I fear? The LORD is the stronghold of my life; of whom shall I be afraid?
Siddur Ashkenaz
The following psalm (27) is recited at the conclusion of services, morning and evenings, from the first day of Elul, through Shemini Atzeres. Others say only until Hoasha’na Rabbah. The psalm voices our prayer that God will be our light on Rosh Hashana enabling us to repel the darkness of sin through true repentance, and that He will be our salvation on Yom Kippur, through His compassionate atonement of our sins.
Siddur Sefard
The following psalm (27) is recited at the conclusion of services, morning and evenings, from the first day of Elul, through Shemini Atzeres. Others say only until Hoasha'na Rabbah. The psalm voices our prayer that God will be our light on Rosh Hashana enabling us to repel the darkness of sin through true repentance, and that He will be our salvation on Yom Kippur, through His compassionate atonement of our sins.
Siddur Sefard
The following is recited here by some congregations from the first day of Elul, through Shemini Atzeres. Others recite it at the end of the Maariv (Evening) Service.