In brightest day, in blackest night.

最光明的白昼，最黑暗的夜晚。

youdao

This light fluctuates during the day, in cycles, leaving us brightest in the afternoon (the skin around your mouth lightens most around this time of day too) and dimmest in the evening.

人体光在一天内会有周期性波动，这使我们在下午时候最闪亮(人们嘴部附近的皮肤也是在这个时候最亮)而在晚上的时候最黯淡。

youdao

Her indifferent state of health unhappily prevents her being in town; and by that means, as I told Lady Catherine myself one day, has deprived the British court of its brightest ornament.

不幸她身体柔弱，不能过京城去，正如我有一天跟咖苔琳夫人所说的，这实在使得英国的宫庭里损失了一件最明媚的装璜；她老人家对我这种说法很是满意。

youdao

Lincoln understood that in order to provide legitimate solutions to the problems facing the country at that time, he wanted to work with the best and brightest minds of the day even if they disagreed with him.

FORBES: "All Failures Are Your Fault."

In China and parts of Asia it's believed to be the day with the brightest moon of the year.

CNN: Best way to see supermoon? On a Chinese moon-viewing flight

Scott and Zelda were, after all, the rock stars of their day the most beautiful and brightest people in the room, at least for a time.

FORBES: Kate Moss' Wedding Dress And Ring Inspired By Zelda Fitzgerald: Odd?