Antardasha Calculator

Antardasha (also called Bhukti or Dasha-Bhukti) is the Level 2 sub-period within each Mahadasha. Since each Mahadasha contains sub-periods for all 9 planets, a complete 120-year Vimshottari cycle has 81 total Antardasha periods (9 Mahadashas × 9 Antardashas each).

The Antardasha modifies the Mahadasha's influence. For example, during Jupiter Mahadasha, a Venus Antardasha brings Jupiter's wisdom combined with Venus's creativity and relationships — a period often marked by marriage, artistic success, or spiritual-creative pursuits. The same Jupiter Mahadasha during a Saturn Antardasha brings a more disciplined, structured energy — career building through patient effort.

The duration of each Antardasha is calculated by the formula: (Mahadasha years × Antardasha planet's years) ÷ 120. For example, Jupiter Mahadasha (16 years) with Venus Antardasha (20 years): (16 × 20) ÷ 120 = 2.67 years = 2 years, 8 months.

To calculate Antardasha periods, follow these 3 steps:

1. Step 1: Determine the Mahadasha period and its total years (e.g., Jupiter = 16 years)
2. Step 2: For each Antardasha planet, multiply the Mahadasha years by the Antardasha planet's Vimshottari years, then divide by 120
3. Step 3: The Antardasha periods start in the same sequence as the Vimshottari order, beginning with the Mahadasha lord itself

For example, in Jupiter Mahadasha (16 years), the Antardashas run as: Jupiter-Jupiter (2.13 yrs), Jupiter-Saturn (2.53 yrs), Jupiter-Mercury (2.27 yrs), Jupiter-Ketu (0.93 yrs), Jupiter-Venus (2.67 yrs), Jupiter-Sun (0.8 yrs), Jupiter-Moon (1.33 yrs), Jupiter-Mars (0.93 yrs), Jupiter-Rahu (2.4 yrs).

This Antardasha calculator handles the full computation automatically — enter your birth details and get exact dates for every sub-period.

The Antardasha planet acts as a secondary influence on the Mahadasha lord. There are 3 rules for interpreting Antardasha effects:

• Friendly combinations: When the Mahadasha and Antardasha lords are natural friends (e.g., Jupiter-Sun, Venus-Mercury), the period tends to be positive and productive
• Neutral combinations: When the planets are neither friends nor enemies, the period brings mixed results based on their house placements
• Hostile combinations: When the planets are natural enemies (e.g., Sun-Saturn, Jupiter-Mercury in some contexts), the period can bring internal conflict and challenges

The most significant life events — career changes, marriages, health issues — typically occur when the Antardasha lord transits over key points in the birth chart during its own sub-period.