Afternoon. Afternoon is the time of day from noon or lunchtime until evening or 6pm In literal terms, it refers to a time specifically after noon.
Afternoon is often defined as the time period between noon and evening. If this definition is adopted, the specific range of time varies in one direction: noon is at 12:00, but the boundary between afternoon and evening has no standard definition.
The time period of evening is subjective, but it is often socially considered to start around 5pm or 6pm or shortly before sunset. During twilight.
Before a period of transition from the 12th to 14th centuries, noon instead referred to what we now call 3 pm. Possible explanations include shifting times for prayers and midday meals, along which one concept of noon was defined, and so afternoon would have referred to a narrower timeframe. The word afternoon, which derives from after and noon, has been attested from about the year 1300; Middle English contained both afternoon and the synonym aftermete.
The standard phrasing was at afternoon in the 15th and 16th centuries, but has shifted to in the afternoon since then. The term should not be confused with after noon, which is a translation of the Latin post meridiem, meaning a time between 12:00 midday and 12:00 midnight. Afternoon is a time when the sun is descending from its daytime peak. During the afternoon, the sun moves from roughly the center of t