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## Chapter 26: The Sixfold Division of Time
**Avali**
The time taken for a single atom to travel from one point in space to another at the slowest possible speed is known as an **Avali**.
The time taken for a healthy human to inhale and exhale once is called an **Uchchhas**. There are 3773 Uchchhas in a **Muhurt** (a unit of time). This is calculated as follows: 243834747 / 3773 = 1.
There are 3773 x 43 = 1,13,190 Uchchhas in a day (24 hours). This translates to approximately 3443.786 Uchchhas per minute, which aligns with modern calculations.
A **Bhinna Muhurt** is a shorter duration than a Muhurt. An even shorter duration is known as an **Antarmuhurt**. Some Acharyas consider Bhinna Muhurt and Antarmuhurt to be synonymous.
Adding a unit of time to the Avali period results in the **Sarva Jghanya Antarmuhurt**. To reach the **Utkrishta Antarmuhurt**, one must progressively add units of time, understanding the intermediate **Madhyama Antarmuhurt** (the average Antarmuhurt).
**Time Divisions**
* 15 days = 1 Paksha
* 2 Pakshas = 1 Maas
* 2 Maasas = 1 Ritu
* 3 Ritus = 1 Ayan
* 2 Ayans = 1 Varsh (year)
* 5 Varshas = 1 Yug
* 84 lakh Varshas = 1 Purvaang
* 84 lakh Purvaangs = 1 Purva
Further multiplying by 84 lakh repeatedly results in various numerical units like **Nyutaang-Nyut, Kumudaang-Kumud, Panmaang-Padm, Nalinaang-Nalin, Kamalaang-Kamal, Trutitaang-Trutut, Atttaang-Attat, Ammaang-Amm, Hahaang-Haha, Huhaang-Huuhu, Laataang-Lata, and Mahalaataang-Mahalata**. All these units fall under the category of **Madhyama Sankhyat**.
**Note:** The numerical units mentioned above (Nyutaang etc.) have no relevance in the natural world. However, the present text utilizes numerical units like **Purva Kodi and Koda Kodi**.
**Further Time Divisions**
* 1 crore Purva years = 1 Purva Koti years
* The maximum lifespan of humans and animals on earth is considered to be 1 Purva Koti years.
* The square of 1 Koti is called **Koda Kodi**.
* The numerical unit between Koti and Koda Kodi is called **Antah Koda Kodi**.
The present text utilizes these three numerical units and their related units like **Koda Koda Kodi**.
**Further Details**
The text further mentions the construction of a pond with dimensions of 1 Mahayojan (2000 Kos) in length, width, and depth. This pond is filled with the best type of soil and is said to be filled with the milk of a goat born within 7 days of its birth.