líng​shí

midnight

零时 (零時) líng​shí
midnight time word
midnight; twelve o'clock at night (00:00)

The New Year's bell chimed exactly at midnight.

zero hour time word
the scheduled time for a military operation or significant event to begin

Zero hour for the raid is set for five o'clock tomorrow morning.

Frequency

Movie subtitles
0.300 per million appears in 0% of films
Written text
4.14 per million

Sources

Definitions
CC-CEDICT