oh dark hundred

Proposed by a contributor, not yet supported by evidence.

Meaning · English

Very early in the morning, typically before sunrise

Nghĩa · Tiếng Việt

Vào lúc sớm của buổi sáng, thường trước khi mặt trời mọc

Machine-translated — suggest a fix

Literally: hour after midnight but before dawn
Where it’s used: Used Widespread English

Examples

I have to get up at oh dark hundred for my shift

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “oh dark hundred” mean?

Very early in the morning, typically before sunrise Literally: hour after midnight but before dawn

Is “oh dark hundred” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.