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Q++Studio contains a database of over 3.000 cities throughout the world, containing such information as latitude and longitude, time zone, and summer hours rules.

 

Note that time zone and summer times changes occur often in the world and that you should verify the summertime rules obtained from the sample cities.

 

You can select a city by name or country or geographically.

 

These cities can be used to create a location to be used in the calculation of Moon events, Sun events, Jewish Times of Day and Muslim Prayer Times.