When you create a model, specify its geographic location using the address, nearest major city, or latitude and longitude. 
To specify the geographic location
-  Click Manage tab
Project Location panel
 (Location). 
 
- On the Location tab, for 
  Define Location by, select one of the following: 
  
- Default City List: Allows you to select a major city from a list, or enter a longitude and latitude. 
	 
 
- Internet Mapping Service: Allows you to select a location using an interactive map, or enter an address. (Requires an Internet connection.) 
	 
 
 
   
 
- Enter or select the desired location. 
  
For details, see 
	 Location Dialog. 
  
 
  
 
 
- If the model is located in an area that observes daylight saving time and you want shadows to be adjusted accordingly, select 
  Use Daylight Saving time. 
 
- Click OK.