Step 1: Understanding the Concept:
A Kalpa is a fundamental unit of macro-time in Indian cosmology, representing one "Day of Brahma." It is an immense duration defined as 1,000 Mahayugas. This vast time period is subdivided into smaller administrative units called Manvantaras, each ruled by a distinct Manu.
Step 2: Key Formula or Approach:
The Surya Siddhanta and Puranas define the structure of a Kalpa as follows:
- 1 Kalpa = 14 Manvantaras.
- Each Manvantara is separated by a "Sandhya" (transitional period).
- Therefore, to find the number of Manus in half a Kalpa, we simply divide the total number by two.
Step 3: Detailed Calculation:
\[ \text{Total Manvantaras (Manus) in one full Kalpa} = 14 \]
\[ \text{Number of Manvantaras in half a Kalpa} = \frac{14}{2} = 7 \]
- This is relevant to our current time because we are currently in the 7th Manvantara (ruled by Vaivasvata Manu) of the current Shveta Varaha Kalpa. This means we have completed the first half of Brahma's current daytime.
Step 4: Final Answer:
Half of a Kalpa (Kalpardhe) contains exactly 7 Manus.