If you had a good knowledge of the lengths of the days and the positions of stars throughout the year, you would be able to know when it is September.
Look on a calendar
The calendar helped Ancient China because the calendar was used to know when certain rivers would flood.
they developed it because they needed to know when the nile would flood (may-september). They used this so people wouldn't drown and to help them build irrigation systems.
no david didnt die if he did it would be all over the news duhh ) anyway all i know is he didnt die otherwise you would know by now :0)
I do not know an abbreviation for calendar other than cal. But, as used in crossword puzzles a calendar abbrivation would be Jan for January, Tue for Tuesday and so on.
no joke, like Im being dead serious, my great uncle invented it, but he didnt get the patent on it quick enough!! My family would be rich if he did!! (im dead serious btw) oh and i dont know his name.
stay awake you never know your chance would come!
It depends on the year. You need to know the full birthdate of the boy. Once you have that you can correlate it to the birthdate on the Jewish calendar and then figure out what the parsha is 13 years later.
Calendar
I would let him know how you feel and see what happens from there.
The calendar, know as the Aztec Calendar or the Mayan Calendar.
History will repeat itself.