This is a bonus mystery cache for the Historic Thousand Oaks Adventure Lab.
Of course the cache is NOT at the posted coordinates but if you need to know the time it might be a good place to stop.
Once you have visited all 5 stages of the Adventure Lab and obtained the information needed, plug that info in to determine the final coords:
N 34 10. A B C W118 52.5 D E

You can validate your puzzle solution with certitude.