Translation of half-hourly in Spanish:

half-hourly

Pronunciation /ˈhæf ˌaʊ(ə)rli//ˌhɑːfˈaʊəli/

adjective

  • 1

    there's a half-hourly service hay un tren (or autobús etc.) cada media hora
    • at half-hourly intervals cada media hora

adverb

  • 1

    cada media hora