The astronomical calendar will tell you the number of seasons of the year from the rough waters, stars and seasons and the number of missed days, and the number of days and the remaining.
Also it shows the characteristics Baltvsal Bmhih God star as follows: -

- in any status be
- The number of his days
- temperature
- The length of day and night
- Image caption for its location in the sky
- the phenomena of nature associated with him
- human phenomena associated with him
- What it is grown in this star
- the words of the Arabs