• 1 · Religion and Magic
• 2 · Nature
• 3 · Human Being, Man in General
• 4 · Society, Civilization, Culture
• 5 · Abstract Ideas and Concepts
• 6 · History
• 7 · Bible
• 8 · Literature
• 9 · Classical Mythology and Ancient History

• Top
• 2 · Nature
• 23 · time

23R · day and night

• 23R1 · day of 24 hours, natural day
• 23R2 · day from sunrise to sunset
• 23R3 · the 24 hours of day and night