b-tishʻah — ‘on the ninth’ (e.g., ‘on the ninth day’ —

Leviticus 23:32 — “It shall be a sabbath of complete rest for you, and you shall practice self-denial; on the ninth day of the month at evening, from evening to evening, you shall observe this your sabbath.”

2 Kings 25:3 — “By the ninth day [of the fourth month] the famine had become acute in the city; there was no food left for the common people.”

Jeremiah 39:2 — “And in the eleventh year of Zedekiah, on the ninth day of the fourth month, the [walls of] the city were breached.”

Jeremiah 52:6 — “By the ninth day of the fourth month, the famine had become acute in the city; there was no food left for the common people.”