A third time period, of three or more.
Atlu is obligatorily followed by: 1) a possessive time noun: algaw `day'; duminggu, malkādu `week'; būlan `month'; or tawon `year'.
Atlun di tawon ad ugwan hi nihina' hitun ad Manīla.
(This) is the third year now that I have stayed here in Manila.
2) a possessive pronoun -na followed by a number ligature, hi2 3; a time noun, algaw, duminggu, būlan, tawon, or a substantive phrase with a verb inflected for time as head.
Atlūnah duminggud ugwan hi immuda'udanāna.
(This) is the third week now that it has been raining.
Unspecified, reference is to a third day.
Atlunah puntamūa'.
The third day for me to work.