Tehillim on Tishe Beav
May one say Tehillim on Tishe Beav?
Erev Tishe Beav: Yes, even past midday.
Tishe Beav night from sunset: No.
Tishe Beav day until Chatzos: No.
Tishe Beav after Chatzos: Yes. One may say Tehillim by Mincha time and so is the ancient custom.
For sick person: One may say Tehillim for the sake of a sick person at any time.
Sources: See M”A 554:6; M”B 554:7; Aruch Hashulchan 554:6; Kaf Hachaim 554:20; Divrei Malkiel 6:9 ; Nitei Gavriel 50:8; 75:22; Piskeiy Teshuvos 554:4