first light

• Moment tôt le matin où la lumière du jour commence à peine à apparaître, juste avant le lever du soleil.

The time in the early morning when daylight first begins to appear, just before sunrise.

1. Dawn or early morningB1formal

   The time in the morning when daylight first appears; dawn.

   premier jour

   • We set out at first light to avoid the heat.
   • The birds begin to sing at first light.
   • The rescue team started their search at first light.