Word.ws English Dictionary

zero dark thirty

zero dark thirty is the alternative form of oh dark thirty.

Meaning of oh dark thirty

Noun

oh dark thirty

  1. (idiomatic) Some unspecified hour in the early morning (implying an unpleasant time to be awake).
    • I had to get up at oh dark thirty to catch a plane.

Questions about zero dark thirty

What is zero dark thirty the alternative form of?
Zero dark thirty is the alternative form of oh dark thirty.

Words near zero dark thirty in the dictionary

  1. zero coupon bonds
  2. zero coupons
  3. zero COVID
  4. zero cross
  5. zero crossing
  6. zero dark thirty
  7. zero day
  8. zero days
  9. zero deflection
  10. zero derivation
  11. zero derivations

Source and license

Adapted from Wiktionary: zero dark thirty (page history and authors); oh dark thirty (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “zero dark thirty.” Word.ws, https://word.ws/zero_dark_thirty. Based on Wiktionary, CC BY-SA 4.0.