Who was known fo publishing an almanac based on his astronomical calculations?

The original of the Almanac can be traced back to the Babylonian civilization when lists of planetary periods were procuced. Ptolomey, the Alexandrian astronomer of the 2nd Century wrote a treatise. The earliest known almanac in the modern sense was written in 1088 by Arzachel and known as the Tables of Toledo. Many Almanacs have been produced since that time