Ya casi dan / son las diez y media (de la mañana).
*Omítase "de la mañana" si el contexto es más que evidente, puesto que devendría en una repetición innecesaria si se sabe que esta hora tiene su transcurso en la mañana.
Son las diez y media.
Half past ten is 30 minutes after 10 o'clock. (10:30)
Yes, "ten-thirty," "half past ten," and "thirty past ten" all refer to the same time: 10:30. These phrases are different ways of expressing the time, with "half past" being the most common informal expression. In all cases, they indicate that it is thirty minutes after ten o'clock.
Diez
"Son las diez y media"
Quarter to 10.
You can say "It's half past ten" or "It's ten thirty." Both phrases convey the same time, indicating that it is thirty minutes after ten o'clock.
The ordinal number for ten in Spanish is "décimo"
one hour and ten minuts
It's a time. It means that it's half past ten.
10 1/2
10:45