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[TowerTalk] Equinox Day

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Subject: [TowerTalk] Equinox Day
From: (Michael Keane, K1MK)
Date: Sun Mar 16 00:50:21 2003
At 02:03 PM 3/15/03, Jim Reid wrote:

>Why today, and not on/nearer the 21st? Two reasons actually,
>our latitude is only 21.9N and the Earth's orbit about
>the Sun is elliptical,  not circular.  Actually,  the center of the
>Sun is still 2 degrees South of the Equator today.

No. It's due to the non-zero angular diameter of the sun plus atmospheric 

See: <>

Michael Keane K1MK

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