golden hour UK /ˈɡəʊl.dən ˌaʊə/US /ˈɡoʊl.dən ˌaʊɚ/ noun4 •A period shortly after sunrise or before sunset, during which daylight is redder and softer than when the Sun is higher in the sky. •The first sixty minutes after sustaining major traumatic injury, during which there is the highest likelihood that prompt medical treatment will prevent death. •[in the plural] Hours worked outside of normal working hours, for which additional money is paid. •In Japanese television, the period between 7 and 9 pm, the equivalent of the American prime time. formsgolden hours