Muhurth is fixed in 2 steps shown as 2 rules tables below.
- Find the days suitable in a month. Select the day. This is based on Month, Day, Nakshatra, Tithi, Yoga, and Karana.
- Find the time of the event. This is based on the horoscope of that moment. What is rising ? What is setting or going to set ? etc.
Bhoomi Poojan is a function done before starting construction of building or factory.
Rules Table I
| No. | Good | Avoid |
| 1 | Nak = Bharani, Karthika, Thiruvathira, Ayilyam, Puram, Vishakam, Thrikketta, Pooratam, Pororuttathi. Veda Nak. | |
| 2 | Day = TU SU | |
| 4 | Tithi
= 4,9,14, amavasya, S8 and K8 1st half of K7, S1 and P15 2nd half of K3,K10 and S11 |
|
| 7 | Month = Mithunam, Karkatakam, Kanni, Dhanu,
Meenam. Karthika Nathu Vela = (Metam 26 to Etavam 10). |
Rules Table II
| No. | Good | Avoid |
| 3 | Lag = Metam, Thulam, Makaram, Sunrise Rasi | |
| 5 | One planet in 4 | |
| 6 | Mars in 8 | |
| 8 | Aparanham and after Sunset to 2:00 a.m. |