It's possible that you're thinking of aubade poetry which is a specific form of poetry that focuses on the coming of dawn.
Aubade (pronounced "oh-baid") poetry is characterized by:
* Theme: Depicting the break of dawn, often with a sense of longing, farewell, or a change in mood or situation.
* Setting: Usually outdoors, focusing on the natural world and the transition from night to day.
* Tone: Can range from melancholic and wistful to joyful and celebratory, depending on the specific poem's theme.
* Structure: No specific structure, but often uses imagery related to dawn, like birdsong, sunlight, and awakening.
Famous Examples:
* "The Sun Rising" by John Donne - A love poem using the sunrise as a metaphor for the lover's passion.
* "Aubade" by Philip Larkin - A bittersweet poem about the end of a relationship.
* "When I Have Fears" by John Keats - A poem about the fear of death and unfulfilled potential, with a dawn imagery signifying a new day.
If you are referring to a different type of poetry, please provide more context or details so I can help you further.