What am I noting on tattoo Tuesday?

September 23, 2014

equinoxesInfographic from Live Science


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:

autumn leaf tattoo


  1. We used zulu time for important things like rendezvous and for VTCs. My favorite time was always Local Apparent Noon (LAN) which, spelled in French, is NAP. 🙂

    • Ha ha – NAP time for me, too!

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