first light

See also: firstlight

English

Alternative forms

Noun

first light (uncountable)

  1. The time when light first appears in the morning; dawn, especially the start of dawn.
    • 2026 July 28, Nicholas Muhoro, “The Open Water True Story: How Tom and Eileen Lonergan Were Left Behind at Sea”, in Skip Boring‎[1], archived from the original on 29 July 2026:
      At first light on Wednesday, January 28, 17 aircraft, two helicopters and a fleet of police, navy and civilian boats spread out to cover the Coral Sea.
  2. (astronomy) The first use of a telescope or other instrument to capture an astronomical image.

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