midnight

The middle of the night, specifically 12 o’clock at night.

Intense darkness or gloom.

A period of darkness and gloom.

To obscure; dim; darken.

The middle of the night; twelve o’clock at night.

Pertaining to or occurring in the middle of the night: as, midnight studies.

The middle of the night; twelve o’clock at night.

Being in, or characteristic of, the middle of the night

The middle of the night; 12:00 am; on a 12-hour clock, 12:00 at night; on a 24-hour clock, 00:00.