שֶׁ֣בַע בַּ֭יּוֹם הִלַּלְתִּ֑יךָ עַ֝֗ל מִשְׁפְּטֵ֥י צִדְקֶֽךָ׃
Seven times a day do I praise Thee, because of Thy righteous ordinances.
Rashi on Psalms
Seven times a day In the morning, twice before the reading of “Shema” and once after it, and in the evening, twice before it and twice after it.
Rashi on Psalms
for Your righteous judgments For the reading of the Shema, which consists of words of Torah.