Berean Study Bible (BSB) - Joel 2:2 >

a day of darkness and gloom, a day of clouds and blackness. Like the dawn overspreading the mountains a great and strong army appears, such as never was of old, nor will ever be in ages to come.

Jewish Publication Society of America Version (JPS1917) - Joel 2:2 >

A day of darkness and gloominess, a day of clouds and thick darkness, as blackness spread upon the mountains; a great people and a mighty, there hath not been ever the like, neither shall be any more after them, even to the years of many generations.