Mahadasha calculation of vedic astrology by pharashira maharshi based Nakstras. First navkam we can follow to understand it. Mahadasha Online Calculator based on date of birth as per vedic astrology, N.C. Lahari ayanamsa will follow to generate up to 5 levels of dasha period. Dasha, Bhukti, Bhukthi, Antara, Sukshma, Pran dashas & give you dasha prediction. Dasha period will be calculated based on moon star irrespective of lagna.
| Star | Star Lord | Dasha Period | Percentage |
| Ashwini | Kethu | 7 | 7/120*100 = |
| Bharani | Venus | 20 | 20/120*100= |
| Krithika | Sun | 6 | |
| Rohini | Moon | 10 | |
| Mrigasir | Mars | 7 | |
| Arudra | Rahu | 18 | |
| Punarvasu | Jupiter | 16 | |
| Pushyami | Saturn | 19 | |
| Ashlesha | Mercury | 17 | |
| 120 Years | 100 % |
Based on above calculation with percentage we can do any levels of dasha period.
Dasha > Bhukthi > Anthara > Sukshma > Prana > Avi Prana > Viprana etc.