What is the meaning of the word "early-morning hour"?

Definitions:

  1. Refers to the period of time shortly after midnight and before dawn. copy to clipboard NOUN
    • He enjoys jogging duringh the early-morning hours when the streets are quiet and empty. copy to clipboard
  2. Time frame often associated with the befinning of the day and is characterized by low light levels, cooler temperatures, and minimal human activity. copy to clipboard NOUN
    • Early-morning hours are often the most productive for her writing, as there are fewer distractions. copy to clipboard

Synonyms: