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Location: Ontario is located in western San Bernardino County , only 35 minutes east of downtown Los Angeles.
Time Zone: Ontario is eight behind Greenwich Mean Time (-8GMT). California (like most of the other states in the U.S. ) observes Daylight Saving Time from the second Sunday in March and reverts to Standard Time on the first Sunday in November.
Weather: Ontario enjoys a temperate Mediterranean climate with moderate temperatures (average 84° F/24° C) and low humidity year round. Typically, the city sees more than 300 days of sunshine and only 16 inches of rainfall each year.
How to Dress: The prevailing style of dress in Ontario is generally comfortable and informal – “casual Friday.”
Identification: It is strongly recommended that any visitor carry legal photographic identification at all times. This is required for airline travel, admission to some attractions, proof of legal age, and various other situations. In California , the purchase or consumption of alcohol is illegal for anyone under the age of 21.