Quoted from the Book of Primbon Betalbas Adammakna Chapter Counting tahlilan / shukur (death memorial) according to Javanese calculations (Calculation Market) starting from the Day of Death, 7 days, 40 days, 100 days, haul to one, haul to two, and 1000 days.

Calculating tahlilan / shukur (death anniversary) according to:

1. Geblag or post-burial salvation. This means that the 1st day is held on that day and cannot be postponed.
2. Nelung dina or three days of death This means that salvation is carried out on the third day and the third market. Implementation is usually carried out in the evening.
3. Mitung dina or seven days of death This means that the daily salvation of 7 people who died, so for example the death on Friday Kliwon, the dinner is held on Thursday Legi.
4. Matangpuluh dina or 40 days. This means that salvation is on the 40th day, the formula is calculated using masarma, the fifth day of AD and the fifth day of the market.
5. Nyatus dina or one hundred daily It means the 100th day after death. calculate it using the rosarma formula, is the second day and the fifth market.
6. Pendhak 1 or Mendhak sepisan means salvation 1 year after death, one year in the Javanese year, which is 354 - 355 days.
7. Pendhak 2 or Mendhak Pindo This means that it is 2 years after death, two years in the Javanese calendar, which is 708 days.
8. Nyewu It means the 1000th day after death, the calculation formula uses the nemsarm formula, namely the sixth day and the fifth market after death.

Betalsun comes from the Arabic word Baitul Ma'mur. The literal meaning of Baitul Ma'mur is "God's prosperous house". Baitul prosperous is a building that becomes the Qibla for the Angels in the sky like the Kaaba in the Grand Mosque (Mecca) and Baitul Maqdis in the Aqsa Mosque (Palestine).
Meanwhile, Adammakna means a true understanding of human nature that builds soul consciousness. Adam also means origin, as humans are descendants of the children of Adam.
In historical trajectory, this primbon book originally belonged to Sampeyan Dalemingkang Sinuwun Kanjeng Sultan Hamengku Buwono ing Ngayogyakarta. The book of the Sultan of Jogja was then written by Kanjeng Pangeran Harya Tjakraningrat. It is said that, for the Javanese, this book is the mother of all primbon after Serat Centhini. From the book of the early primbon, Betalsun Adammakna, several later derivatives of the book of primbon emerged.