o'Dark 30

A general term referring to any time between midnight and sunrise the next morning.

I don't want to get up at o'Dark 30 to go to the gym.

by 3atMyCak3 January 28, 2011

O'Dark Thirty

O'Dark Thirty: (V.) Army Milspeak.
A measurement of time in the United States Army. O'Dark Thirty is usual reserved for the period between midnite and sunrise, which always is the coldest,wettest,darkest and shittiest of the year. It is also, without exception, the time of day when no sane Human Being would be found awake and/or sturring.

Q: "What time is First Formation?". A. "O'Dark Thirty; Same as always".

by Lucifer Tiddys (thats DDs, not TTs) September 17, 2007

o'dark thirty

Same as o'dark hundred. Way too fucking early to be outside working--or patrolling, if you are in the military.

By the time I got off, it was o'dark thirty.

by Rob Eichmann December 10, 2005

o'dark hundred

they use it in the military

o'dark hundred are the hours before the sun comes up

oh shit, I gotta wake up at o'dark hundred tomorrow morning

by joel April 12, 2000

o'dark-thirty

Reeeeeallly early in the morning

"Oh my God, I was up at o'dark-thirty this morning and I can't stop yawning!"

by Alexa-in-wonderland February 4, 2010