Question

what is the difference between the two phrases:
\¿cuándo es?\
\¿qué hora es?\
no difference. they both ask for the current time.
the 1st one asks for the specific time of an event. the 2nd one asks for the current time.
the 1st one asks for the current time. the 2nd asks for the specific time of an event.

Explanation:

"¿Cuándo es?" is used to ask for the specific time/date of an event (like when a meeting or party is happening), while "¿Qué hora es?" is the standard phrase to ask for the current time right now.

Answer:

The 1st one asks for the specific time of an event. The 2nd one asks for the current time.