"Usually, Monday - Friday gets up at 5:30, Saturdays and Sundays at 7:00, and holidays get up at 7:00, but I want to wake up at 6:30 especially for the 3 days from the day after tomorrow." In such a case, it is quite troublesome only with Android ALARM CLOCK. You shall change the alarm settings every day. Alarm time can be set in three modes with "Holiday Alarm Clock Manager". WEEK : This is a so-called normal alarm setting. CALENDAR : Specify national holidays etc from Google Calendar. If you h