30-hour clock
# 30-hour clock

30 Hours or 30-hour clock may refer to:

* 30 Hours, a song by American rap musician Kanye West
* Muhurta, a Hindu unit of measurement for time
* Date and time notation in Japan, which extends 00:00 ~ 06:00 (exclusive) of next day to 24:00 ~ 30:00 (exclusive) of current day
* Famine events, charity events usually last for 30 hours
