When Does Summer Begin?

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By By Steve Pool

Story Published: Jun 14, 2004 at 6:06 AM PDT

Story Updated: Aug 31, 2006 at 1:30 AM PDT

When Does Summer Begin?
SEATTLE - According to the world clock, which uses the old Greenwich Mean Time, summer this year officially begins June 21st at 12:57 in the morning.

But Seattle is 7 hours behind GMT, so spring for us actually Sunday the 20th at 5:57 p.m.

If you'd like to get a head start on the other seasons of the year, autumn will come barreling in during your morning commute at 8:30 a.m. on September 22nd. And for those who love snow and are already looking forward to next winter, it comes in during the early morning hours of December 21st at 4:42 a.m.

You can see when the seasons begin for the next 10 years at aa.usno.navy.mil