Формиране на денотативни класове в състава на семантичното поле „Време на денонощието“

n the delineation of the semantic field Times of the day and night in Bulgarian and Russian the question arises of the selection of the lexical items to be included in it. The fact is recognized that the initial idea of the change of time during the day and night is based on the movement of the Sun and the Moon, directly connected with the change of light. The presence of such information in the definition of lexical items is one of the reasons for its inclusion in this semantic field.