Active periods of each dosha

Kapha	6 a.m.	-  10 a.m.	&	6 p.m.	-  10 p.m.
Pitta	10 a.m.	-  2 p.m.	&	10 p.m.	-  2 a.m.
Vata	2 p.m.	-  6 p.m.	&	2 a.m.	-  6 a.m.

Dhatus  
This is usually translated as 'body tissue'. The real meaning of dhatus are those substances and structures which are retained by the body and always rejuvenated or replenished. They are natural part of the body's constitution and give the body its physical strength, structural integrity and function. There are seven dhatus which compose the retainable structures and substances of the body.

Rasa

The nutrient fluid or plasma that forms the basis for blood

Rakta

Blood that governs oxygenation of all tissues and organs.

Mamsa

Muscle tissue that protects the vital organs, performs movement of joints.

Meda (fat)

Maintains the lubrication of the tissues and serves as insulating material to protect body heat.

Asthi

Bones and cartilage that gives support to the body's structure.

Majja

Bone marrow that fills up the bony spaces and nerve tissues carries motor and sensory impulses and facilitates communication among body cells and organs.

Shukra

The reproductive tissue of sperm and ovum.
 

The dhatus are listed in the above manner because they develop in the body in a fixed sequential manner one from the other. Each succeeding dhatu is a metabolic refinement of