According to UTC (Coordinated Universal Time – or sort of Greenwich Mean Time – also Zulu Time), summer ended and autumn began at 2:29. That would make it 22:29 EDT on Monday, September 22, where I reside. (Why UTC and not UCT or CUT?)
Approximating Earth’s orbit around the sun to be an ellipse with semimajor axis of 1 au and eccentricity of 0.0167, the distance Earth travels in one year is 940 million kilometers (584 million miles). The average speed of the Earth around the sun is 18.5 miles/second. – ref: Wikipedia
And the tattoo:
Gunsmoke and Knitting 