라틴어로 '날' 또는 '일'을 뜻하며, 주로 법률 용어나 학술적 표현에서 특정 기한이나 날짜를 지칭할 때 쓰임.
A day, especially as used in legal or formal Latin phrases to denote a specific date or period.
예문:
"The court identified the dies a quo for calculating the statute of limitations."
"Sunday is traditionally considered a dies non for most judicial proceedings."
"The contract specified the dies ad quem for the completion of the project."