diff --git a/README.rst b/README.rst
index 5f4aeec..4b905a7 100644
--- a/README.rst
+++ b/README.rst
@@ -41,15 +41,18 @@ Basic Usage
     print(f"      Sunset: {set_time}")
     print(f"    Is night: {rs.is_night()}\n")
 
-Renning Test
-============
+Running the Test
+================
+
+The pip installed package will not be enough to run the test. You will
+also need to pip install geopy and timezonefinder.
 
 There is a more complete example in the test at the end of the
 ```sunrisesunset.py``` file.
 
 You will be asked for an address, just a city name is okay. Then you will
 be asked for the time. It takes an ISO formatted time at minimum the year,
-month, and day needs to be entered. Finally enter the timezone.
+month, and day needs to be entered.
 
 .. code-block:: console
 
@@ -58,7 +61,7 @@ month, and day needs to be entered. Finally enter the timezone.
     Enter a address: Chicago
     Chicago, Cook County, Illinois, United States
     Enter date in ISO format (yyyy-mm-dd hh:mm:ss): 2023-12-16 12
-    Enter timezone: EST
+    Timezone: America/Chicago
     Test zenith
     Using zenith: official
        Date/Time: 2023-12-16 12:00:00-05:00
diff --git a/requirements/development.txt b/requirements/development.txt
index 6f916c0..a70e32d 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -3,6 +3,7 @@
 
 pytz
 geopy
+timezonefinder
 #Sphinx
 #sphinx_rtd_theme
 
diff --git a/sunrisesunset/sunrisesunset.py b/sunrisesunset/sunrisesunset.py
index dfeff46..e8e644b 100644
--- a/sunrisesunset/sunrisesunset.py
+++ b/sunrisesunset/sunrisesunset.py
@@ -229,6 +229,7 @@ def __get_rise_set(date, lat=35.9513, lon=-83.9142, zenith='official'):
     import sys, pytz
     #from pprint import pprint
     from geopy.geocoders import Nominatim
+    from timezonefinder import TimezoneFinder
 
     ret = 1
     geolocator = Nominatim(user_agent='sunrisesunset')
@@ -242,7 +243,9 @@ def __get_rise_set(date, lat=35.9513, lon=-83.9142, zenith='official'):
         lon = float(raw['lon'])
         #pprint(raw)
         date = input('Enter date in ISO format (yyyy-mm-dd hh:mm:ss): ')
-        tz = input('Enter timezone: ')
+        tf = TimezoneFinder()
+        tz = tf.timezone_at(lng=lon, lat=lat)
+        print(f"Timezone: {tz}")
 
         try:
             zone = pytz.timezone(tz)