The phrase "midnight hour" is often used to refer to the 12 o'clock hour at night. However, there are plenty of synonyms that can be used instead. Some of these include "witching hour," "wee hours," "small hours," "dead of night," and "dark of night." These alternatives can be used to add a sense of mystery and intrigue to your writing or conversation. Whether you're trying to paint a picture of a spooky scene, or simply describing a late-night encounter, these synonyms can help you communicate the exact feeling you're trying to convey. With so many options available, there's no shortage of ways to talk about the darkest hours of the night.