幾時幾日 [几时几－]

Jyutping gei2 si4 gei2 jat6
Pinyin jǐ shí jǐ rì

Definitions (CC-CANTO)
  1. when and what time in the future; which hour which day
Definitions (Kaifangcidian)
  1. 何時何日 – 何时何日
  2. 什麼時候 – 什么时候