黄昏

1. Origins, structure, and basic meaning

• Structure: The spelling is 黄昏, read as たそがれ. It is a noun for twilight around sunset, often carrying a literary or atmospheric tone.
• Basic usage: Referring to the twilight sky appears in 黄昏の空, while talking until twilight appears in 黄昏まで話す.

2. Common pitfalls and similar expressions

• Difference from 夕方
  • It emphasizes fading light and a literary mood more than the ordinary time-of-day term for late afternoon or early evening.