golden hour

Short definition from Wiktionary

Noun

1. 1
   The first sixty minutes after sustaining major traumatic injury, during which there is the highest likelihood that prompt medical treatment will prevent death.
2. 2
   A period shortly after sunrise or before sunset, during which daylight is redder and softer than when the Sun is higher in the sky.
3. 3
   In Japanese television, the period between 7 and 9 pm, the equivalent of the American prime time.
4. 4
   Hours worked outside of normal working hours, for which additional money is paid.