Step 1: Definition of Pañcāṅga.
Pañcāṅga translates to "five limbs." It comprises the five fundamental elements utilized for time calculation in Jyotiṣa Śāstra.
Step 2: The five components.
1. Tithi (lunar day).
2. Vāra (weekday).
3. Nakṣatra (constellation).
4. Yoga (planetary combination).
5. Karaṇa (half of a Tithi).
Step 3: Evaluation of components.
- Tithiḥ: A component of Pañcāṅga.
- Vāraḥ: A component of Pañcāṅga.
- Nakṣatram: A component of Pañcāṅga.
- Rāśiḥ: Represents the zodiac sign and is not a part of Pañcāṅga.
Step 4: Determination.
Therefore, the element not included is Rāśi.