I have 22,000 Lat and Longs that I want converted to a Timezone
29.72561111, -84.99791389 = Eastern Standard Time
If you have a method great. If you are good with Google MAP API's there is a new Google API that can do this quickly
"The Google Time Zone API"
The time zones are across all 50 states. Here are the definitions if you need them:
I have the CSV file.
Please send any links to similar work that will help me make a better decision.