496 B
496 B
came to rest
"landed" or "stopped on solid ground"
the seventh month
We do not know what time of year this was because we do not know what calendar the author was using. (Different cultures started their year in different seasons.)
On the first day of the month
This could be translated as "on the first day of the tenth month."
appeared
This can be made more explicit as "appeared above the surface of the water." (See: rc://en/ta/man/translate/figs-explicit)