golden time

Short definition from Wiktionary

Noun

1. 1
   Synonym of golden hour: The first sixty minutes after a traumatic injury.
2. 2
   Synonym of golden hour: The time of day near sunrise or sunset.
3. 3
   Synonym of golden hour: The Japanese analog to American prime time.
4. 4
   Synonym of golden hour: Overtime hours in the television or film industry, when additional money is paid.
5. 5
   A period of ease, happiness, virtue, or flourishing.
6. 6
   The optimal time for accomplishing a specific task.
7. 7
   Unstructured time when schoolchildren are allowed to choose their own activities as a reward for good behavior.