The study of dates is called chronology. It involves the ordering of past events and the assignment of specific dates to those events.
Sonology
Astronomy
The study of lighting is called photometry. It focuses on the measurement of light in terms of its perceived brightness by the human eye.
Horology
Nephologists =)
The study of silkworms is called Sericulture. The most widely used term for this study is called Bombyx Mori which dates to 2700 BC.
The study of stupidity is called monology.
The study of nerves is called, Neurology.
The study of religion is called theology
the study of life is called biology
The study of mammals is called mammalogy
The study of heat is called thermodynamics, while the study of light is called optics.
The study of arachnids is called arachnology.
The study of surnames is called anthroponomy. The study of family history is "genealogy".
The scientific study of plants is called botany. People who study botany are called botanists.
The study of death causes is called Pathology and the study of what happens to the dead body is usually called Anthropology.
A study room can be called a study space, study area, or a quiet room for reading and learning.