
Dane w tabeli aktualizują się co jakiś czas.
SELECT ... FROM `tabela` WHERE `htime` >= UNIX_TIMESTAMP(UTC_DATE()) AND `htime` <= UNIX_TIMESTAMP(UTC_DATE() + INTERVAL 1 DAY)
SELECT ... FROM `tabela` WHERE `htime` >= UNIX_TIMESTAMP(UTC_DATE() + INTERVAL 1 DAY) AND `htime` <= UNIX_TIMESTAMP(UTC_DATE() + INTERVAL 2 DAY)