0-dark-30

Very late at night, some time between midnight and dawn. Either you have to stay up very late, or you have to get up too damned early. Pronounced "oh dark thirty" or "zero dark thirty". (Derived from military time.)

My flight out's at 8 AM, so I'll have to get up at 0-dark-30 to get through security.

by Shoutingboy November 28, 2009

0-dark-30

1- Period between 12:00 AM (midnight) until 6:00 AM.
2- Period between 12:00 AM (midnight) until 5:59 AM.
3- Period between 12:00 AM (midnight) until dawn.

0-dark-30.

by ÑÑÑ ÑÑÑ December 24, 2025

0-dark-30

1- Period between 00:00 (midnight) until 05:59 (5:59 AM).
2- Period between 00:00 (midnight) until 06:00 (6:00 AM).
3- Period between midnight until dawn.

0-dark-30.

by ÝÝÝ ÝÝÝ ÝÝÝ ÝÝÝ February 3, 2026

0-dark-30

1- Period between 00:00 (midnight) until 06:00 (6:00 AM).
2- Darkness period between midnight until before dawn.

0-dark-30.

by ÝÝÝÝÝ February 5, 2026