In the posted coordinates you may find a sundial, an ancient type of clock. This sundial shows the time at Israel Daylight Saving Time Zone (aka IDT, UTC+03 or Charlie time zone). In the winter you have to reduce one hour to get Israel Standard Time Zone (IST, UTC+02, Bravo time zone).
After you find the cache, please return it the same way and cover with some dirt.
The cache is in:
N 31° ??.[(A7+I13+K15) modulo 1000] E 035° ??.[(W19+S4+P10) modulo 1000]
It is within 500m radius from the publish coordinates.
The cache is 530ml vitamin box