Classic watches, watchmaking, antique tools, history, vintage ephemera and more!

Learn about mechanical timepieces and how they work, the history of the American watch industry and especially all about the Elgin National Watch Company! Check back for new content daily.

Although this is technically a blog, the content is not generally in a time-based sequence. You can find interesting items throughout. Down the page some is an alphabetical word cloud of keywords used here. A great way to dig in is to look through those topics and click anything you find interesting. You'll see all the relevant content.

Here are a few of my favorites!

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What is the September Equinox?

On Wednesday, September 23, 2015, the day and night will be of an almost equal length, everywhere on Earth. This is the fall Equinox, marking the end of summer and the beginning of fall, in the northern hemisphere. In the southern hemisphere, this September event marks the beginning of Spring and so is called the Vernal, or Spring, Equinox.

The Equinox is actually a specific moment, not an all day event. It occurs at the exact time the Sun crosses the celestial equator; the imaginary line in the sky above the Earth’s Equator. At this instant, the Earth's rotational axis is neither tilted away from nor towards the Sun.

This year the moment of Equinox is 08:22 UTC. This means that it actually happened on September 22nd in places that at at least nine hours behind UTC, including parts of Alaska.

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