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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
Topics referred to by the same term
This disambiguation page lists articles associated with the title 30-hour clock. If an internal link led you here, you may wish to change the link to point directly to the intended article.
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