Sa'd b. Abi Waqqas (Allah be pleased with him) said that the Messenger of Allah (ﷺ) struck his hand against the other and (then with the gesture of his two hands) said:The month is thus, thus (two times). He then withdrew (one of) his fingers at the third turn

Muhammad b. Sa'd reported on the authority of his father (Sa'd b. Abi Waqqas (Allah be pleased with him) that the Messenger of Allah (ﷺ) had said:Tho month is thus and thus, and thus, i. e. ten, ten and nine

This hadith has been narrated by Ibn Abu Khalid with the same chain of transmitters