Formal:
* Ìgbà wo ni ó ṣe? (Igbà wo ni o se?)
Informal:
* Ìgbà wo ni? (Igbà wo ni?)
* Ìgbà wo lo wà? (Igbà wo lo wa?)
More casual:
* Àkókò wo ni? (Àkókò wo ni?)
Literal translation:
* Ìgbà = time
* wo = which/what
* ni = is/it
Example:
* Ìgbà wo ni ó ṣe? (What time is it?)
* Ó ṣe aago mẹ́jọ́. (It is 8 o’clock.)
It's worth noting that the Yoruba language is quite flexible and these are just a few examples.