a black day

a black day

A day that marks a sad or unfortunate event. When we heard the news that David Bowie had died, we knew it was going to be a black day for all of his loyal fans.
See also: black

a black day

a day when something very unpleasant or sad happens (usually + for ) A bomb went off early this morning. This is a black day for the peace process.
See also: black