Sok-bōng-goe̍h

Sok-bōng-goe̍h (朔望月; sok-bōng-ge̍h) sī liân-sio̍k nn̄g pái sin-goe̍h hoat-seng ê sî-kan keng-keh. Sok-bōng-goe̍h sò͘-ti̍t ê tn̂g-kî pêng-kin sī 29.530588 kang.