[tonoto]

Start of summer.. June 21st? Is this statement true for US? Another thing to put in mind, besides Fahrenheit, yards, lbs.. at least time (besides 12 hour clock) seem to conform with the rest of the world...

[pandaman]

Yes, in the US seasons are aligned with equinoxes and solstices. I.e. summer starts at the Summer Solstice and ends at the Autumnal Equinox.

[gsala]

How does it work where you are from? I'm from Spain and was taught the same