SThe first two and the last two articles are for Tisha B'Av, the major 25 hour fast from Monday sunset to Tuesday nightfall
in recollection of the destruction of the two Holy Temples in Jerusalem.

Articles 5-6 are for the Weekly Reading, while the 4th is an insight for the 4th chapter of Avot, in the third cycle for those who continue to study it on Shabbat afternoons throughout the summer.