Abstract:
Man, the most honourable of the creatures, has the abibility to reason and to creat things.
When this creatur's feet first touched the earth, he started to thing of producing things which he needed to plan correctly for a better life. He needed the means of solving the problems and difficultculties he faces, which is necessary for preparing the grounds for an agreeable life.
Man's meditiation on the beaven and the earth, the starts and planets and their orderly movement and their fixed positions enabled him to discover things and make achievements. Aftef a time he was able to produce a calendar. Different kinde of calendars were made. The differences in form and quality of the calendar is ascribed to the differences of the nations' culture, needs or to such factors like time of place.
Different names were givne to the calendar, for instance a twelve - animal calcndar.
Mongol. Khata'i, Yaghori, Qaychaqi and Tyrkey are other names of the calendar. These were associated with specific periods of times, for example, the Morgol era or the Safawid era. Calenders were used by some other nations suoh as Chinese, Easter Turkstanians and Iranaians though their use of calendars was not very notable.