To provide a permanent calendar configured by arranging a rotary type clock such as a slot machine showing the Christian Eras, zodiac signs, months, days and time of a calendar such that the Christian Era, zodiac sign, month, day and time and the like on that day respectively shine in different colors and the day is immediately recognized, and configured to turn on and off by a proximity sensor or the like using a keyboard or the like of a personal computer or the like, a magnet pen or an erasure lever.

The permanent calendar is configured such that when it is approached or left, a place made of transparent plastic shines by a proximity sensor or the like, and that when the Christian Eras, zodiac signs, months, days or time are rotated, the date or day or the like on that day shines. The permanent calendar uses a keyboard or a calculator or the like to write or erase schedules with buttons, and uses a white board or the like and aqueous pen and a magnet pen, and uses a lever for erasing all plans or daily routines or schedules only by vertical and horizontal movement. Further, the total number calculated by adding the number of great good lucks or the number of six great good lucks to the numbers of the digits of the calendar is set to be good numbers. The array of the doctrine of Yin-Yang and five Agents or Elements or Yin-Yang is reset to have good relation as much as possible. The calendar is configured so as to be attached to a refrigerator or the like with a magnet or hook attached to the rear face thereof.