Mahadasha is the major planetary period (lasting years), while Antardasha is a sub-period within it. For example, during Saturn Mahadasha (19 years), you'll experience sub-periods of all 9 planets, each modifying Saturn's effects.
Dasha Periods FAQ
Mahadasha is the major planetary period (lasting years), while Antardasha is a sub-period within it. For example, during Saturn Mahadasha (19 years), you'll experience sub-periods of all 9 planets, each modifying Saturn's effects.