It's 10:30= Son las diez y media.
at 10:30= ...a las diez y media
thirty = treinta to = a
thirty in english is treinta in spanish
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.
You say "treinta minutos".
Spanish* Diez.
thirty-nine ten thousandths
Tengo treinta años.
"Six times ten to the thirty-six"
How to say 9:30 in Spanish
treinta y dos
Treinta y séis
"Setenta" (say-ten-taw)