A perpetual calendar system comprising: a first array of letter positions, each letter position in the first array denoting a position corresponding to a digit in Gregorian numerical system; a second array of numbers corresponding to digits in the Gregorian numerical system; and a third array of symbols comprising a plurality of groups of years, wherein each group corresponds to a related letter position and a related number in the first array and the second array respectively, such that a combination of: the related letter position from the first array, the related number from the second array, and the plurality of groups of years in the third array is used to locate a calendar for a year of interest, and wherein the combination corresponds to a page index in the perpetual calendar system constituted by a plurality of pages, each page having a calendar identified by the corresponding page index.

A calendar has one or more individual pages of the calendar that include portions of the pages that are omitted, removed or removable in order to enable aligned portions of other pages of the calendar to be viewed through the removed portions. The removed portions can be formed as apertures in the page and/or as removed portions of one or more edges of the page, among others to allow the stacked pages to form a coordinated, and optionally customizable, decorative appearance for the calendar.

A system of notebooks that are color-coded to relate to a particular class or subject. For example, a green notebook could relate to a Science class, a red notebook could relate to Math, etc. The notebooks are fashioned to employ different calligraphy. The system further includes control articles such as an agenda to track student progress using indicia and give rewards to the student for achieving predetermined milestones. The indicia correlates sections in the control article (agenda) with the notebooks or other items. Said indicia visually aids students, parents and teachers to track the student's progress and creating a habit of having an organized schedule for school.

A system of notebooks that are color-coded to relate to a particular class or subject. For example, a green notebook could relate to a Science class, a red notebook could relate to Math, etc. The notebooks are fashioned to employ different calligraphy. The system further includes control articles such as an agenda to track student progress using indicia and give rewards to the student for achieving predetermined milestones. The indicia correlates sections in the control article (agenda) with the notebooks or other items. Said indicia visually aids students, parents and teachers to track the student's progress and creating a habit of having an organized schedule for school.

Disclosed is a method for binding a bundle of leaves, of which a strip of each of the leaves is folded separately beforehand along a first line to form a first fold line that extends parallel to and at a first distance from the edge, and subsequently is folded again along a second line to form a second fold line that extends parallel to and at a second distance from the edge whereby the first distance is different from the second distance.

A promotional item is arranged as a calendar having a magnetic sheet that acts as a label carrier. On a front side of the magnetic sheet are a plurality of peel-off labels that can be affixed to items such as medicine containers. The magnetic sheet can have advertising printed on the front side as well. The labels can be stacked so that there are multiple labels for each time period (month, week), and the labels have portions of scratch-off material for marking the passage of time (e.g. days) to indicate the item was used for a given time period, such as indicating that the medication was taken on a given day.

A promotional item is arranged as a calendar having a magnetic sheet that acts as a label carrier. On a front side of the magnetic sheet are a plurality of peel-off labels that can be affixed to items such as medicine containers. The magnetic sheet can have advertising printed on the front side as well. The labels can be stacked so that there are multiple labels for each time period (month, week), and the labels have portions of scratch-off material for marking the passage of time (e.g. days) to indicate the item was used for a given time period, such as indicating that the medication was taken on a given day.

A disclosed three-dimensional advent calendar defines multiple predefined advent spaces thereon demarcating an advent. The 3d calendar includes multiple decorated advent objects designed complementary to multiple predefined advent spaces. The 3d calendar also includes an adherent on a back side of the decorated advent objects, the adherent configured to temporarily keep the decorated advent objects proximal a predefined advent space. The adherent includes magnets, hook and loop material and sticky substances. For instance, the 3d calendar includes a Christmas tree, a Disney Castle, a school graduation diploma, a bag of golf clubs and a baby crib. Exemplary decorated advent objects include Christmas tree ornaments, Mickey Mouse head shaped objects, school objects, golf clubs, and pacifiers. Similar life milestones and business 3d calendars and matching advent objects are also included. An advent demarcating method via the 3d calendar and decorated advent objects is further included in the disclosure.

A disclosed three-dimensional advent calendar defines multiple predefined advent spaces thereon demarcating an advent. The 3d calendar includes multiple decorated advent objects designed complementary to multiple predefined advent spaces. The 3d calendar also includes an adherent on a back side of the decorated advent objects, the adherent configured to temporarily keep the decorated advent objects proximal a predefined advent space. The adherent includes magnets, hook and loop material and sticky substances. For instance, the 3d calendar includes a Christmas tree, a Disney Castle, a school graduation diploma, a bag of golf clubs and a baby crib. Exemplary decorated advent objects include Christmas tree ornaments, Mickey Mouse head shaped objects, school objects, golf clubs, and pacifiers. Similar life milestones and business 3d calendars and matching advent objects are also included. An advent demarcating method via the 3d calendar and decorated advent objects is further included in the disclosure.

A calendar has one or more individual pages of the calendar that include portions of the pages that are omitted, removed or removable in order to enable aligned portions of other pages of the calendar to be viewed through the removed portions. The removed portions can be formed as apertures in the page and/or as removed portions of one or more edges of the page, among others to allow the stacked pages to form a coordinated, and optionally customizable, decorative appearance for the calendar.