For most people the word 'calendar' is most commonly associated with a small tear-off calendar, or a large wall that adorns the interior of the apartment throughout the year. However, this type of calendar got relatively recently. In the course of history itself has changed calendar, the principles of its preparation, as well as its appearance. For example, in ancient Babylon, archeologists found intricate clay plates containing a plurality of openings. As they found out later, these records were not more than a progenitor of the modern calendar. The ancient inhabitants of daily rearranged sticks out of one hole to another and thus were countdown. Attempts to create a calendar can be found in the culture of the Mayans and the ancient Incas.
Most ancient calendars preserved on the walls of temples and other architectural structures. In the Ancient Rus was a calendar original album, which consists of several pages. On the first page itself housed a calendar, and all subsequent information contained on astronomy, physics, as well as the timing rules. Currently, there are a huge number of calendars that can be classified on various grounds. For example, depending on whether the cycle of the celestial body is oriented calendar, isolated lunar, solar and lunisolar calendars.
In the culture of each nation has its own ways of timing, based also may be based on a lunar or solar cycles. For example, there are Orthodox, Muslim, Jewish, Chinese and other calendars. However, officially recognized as a Gregorian calendar, which focuses most of the world. Modern photo calendar 2011 has many varieties, we list the main ones. Under most conditions Kidney Foundation would agree. 1. Desktop Calendar. An essential attribute of any office. The classic version of the desk calendar is a pyramid consisting of the calendar sheets, held together by spiral paper clip. This is an indispensable tool of any office worker. Therefore, when choosing a desktop calendar, based not only on the features of its design, but also take into account the features of this calendar. 2. Quarterly calendar. Differ originality of design and ease of use. This is a traditional design element of the workplace, as well as a great gift to business partners for the New Year. Such a calendar is very often performs marketing functions as well as on the title page and on the individual pages you can place an advertisement or a summary of your company. Quarterly calendar is printed, usually on an offset or coated paper and has a special cursor. 3. Wall Calendar. Is an outstanding poster, adorned with original photos. Wall calendar can be any size and contain a variety of decorative elements. Colorful wall calendar with pictures – this is a great decoration for any home or office. 4. Pocket Calendar. This compact calendar small (9×6 cm), which is easy to carry in a pocket or bag. Pocket calendar – this is the most affordable way of advertising, as well as a great souvenir for any occasion. Thus, there are many types of calendars, each of which has its own characteristics. However, any Calendar does two very important functions – fixing date and the measurement of time intervals. Therefore, when choosing the calendar be guided primarily by specific, practical tasks it will perform.