evening

noun

• The time of the day between dusk and night, when it gets dark.
• The time of the day between the approximate time of midwinter dusk and midnight (compare afternoon); the period after the end of regular office working hours.
• A concluding time period; a point in time near the end of something; the beginning of the end of something.

  "It was the evening of the Roman Empire."

• A party or gathering held in the evening.