Liberal Dictionary English Dictionary
adjective
- half-hour(def 3).
- occurring every half-hour: a halfhourly interruption.
adverb
- at half-hour intervals: The bell rang halfhourly.
Half hourly electricity prices | Half hourly meter, Tariffs, P272
Half Hourly Data
half hourly meter | Switch My Business
Half-hourly demand profile for the worst-case evening recovery