mau5 jat6某日

Jyutpingmau5 jat6
Yalemáuh yaht
Uncommon

Definition

One day; some day; a certain day.

colloquialtime

How it's used

Refers to an indefinite point in time in the future or sometimes the past. It carries a slightly more literary or narrative feel compared to the more common spoken phrase 有一日. Using it in casual conversation often sounds a bit more thoughtful or reflective.

Common phrases

Common mistake

Learners often confuse this with 有一日, which is much more common in everyday speech. While 某日 is perfectly acceptable, it can sound slightly formal or like the beginning of a story.

Grammar color guide

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