high day

American  

noun

1. a holy or festal day.

2. heyday.

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high day British  

noun

1. a day of celebration; festival (esp in the phrase high days and holidays )

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Etymology

Origin of high day

1150–1200; Middle English heye dai feast day

Example Sentences

A new analysis from scientists involved with the World Weather Attribution group suggests the high day time and night time temperatures would not have been possible without the world's long term use of coal, oil and gas as well as other activities such as deforestation.

From BBC

Australia defines a heatwave as three or more days in a row of unusually high day and night temperatures.

From BBC

“We were operationally looking at how the park could be better used. That’s a type of park that has high day use,” he said, noting about the pavilion area, “the public has liked and utilized it very much.”

From Washington Times

Coffelt said along with that high day use, interest remained in a camping option.

From Washington Times

Temperatures stayed high day and night, day after day.

From Slate