The 2017 autumn
equinox in the Northern Hemisphere occurs
Friday, September 22, at 1:02pm PDT
(20:02 UT), when
the Sun enters Libra.
It is one of the two days of the year that the Sun moves across the celestial
equator, the imaginary line among the stars that lies directly
above the Earth's equator circling from east to west. The Sun's crossing
of the celestial equator occurs one other time on the spring equinox.
Both times this crossing occurs, the Sun rises exactly due east and
sets exactly due west!
Sun crosses the celestial equator at both equinoxes.
The Sun is ascending "springing" in March,
and descending "falling" in September.
this special moment – the instant of the September equinox – the
midday sun will be at zenith, or straight overhead, at the Earth’s
equator. That’s the meaning of equinox. The September equinox
sun crosses the sky’s equator, going from north to south.
Because the path of the sun is heading southward, this equinox
signals the beginning of autumn in the Northern Hemisphere and
spring in the Southern Hemisphere. EarthSky.org
Sun crosses the equator from north to south for both hemispheres
at the September equinox, however the daily path of the noonday Sun "springs
up" toward the north for the Southern Hemisphere's springtime
and continues to "fall" toward the south for the Northern
Hemisphere's fall or autumn. AstroViewer the
interactive sky map is helpful in seeing this ... Select "Trust" to
run applet. Give map time to load in (about 30 seconds). I never
found the applet blocked by security settings.
which means "equal night" refers to a time when the length
of day and night are equal. As the Sun crosses the celestial equator,
the axis of the Earth points neither toward nor away from the Sun resulting
in in 12 hours of darkness and light over the planet.
the Earth's tilt relative to the Sun is constantly changing, the
12-hour symmetry can be only approximately true anywhere. However,
if you look at the sunrise
sunset times for your location, you find that it is several minutes
off on this date. Why? It's because the refracting or bending effects
of the Earth's atmosphere alters the observed time of sunrise and
sunset. The Sun rises a little earlier and sets a little later due
to this effect, causing the observed equinox to precede the true
equinox by a few days in spring. In the fall it follows by a few
Sessions Originally for Space.com
and the Celestial
of the Sun in the sky intersects the celestial
sphere and marks the seasons. At
the spring and autumn equinoxes, when the Sun intersects the celestial
equator it rises due east and sets due west. At the summer solstice,
when the Sun reaches its highest point north of the celestial equator it
rises as far northeast as it can and sets as far northwest as it can. At
the winter solstice, when the Sun reaches
its lowest point south of the celestial equator it
rises as far southeast as it can and sets as far southwest as it can.
the week before and after the equinox the Sun changes its rising
and setting position on the horizon each day by a full Sun's width,
which is over half a degree. (moving from north to south) Of course
you have to be careful not to stare at the Sun as it rises or sets.
On the equinox it will rise due east and set due west, but then the
following week watch it again dramatically change ... as it moves
from due east toward the south and you'll be absolutely amazed! Star
Sphere ~ Key Concepts
autumn equinox occurs at the exact moment in time
when the Sun, heading from the north to the south,
appears in the sky at the point
the ecliptic crosses
a list of autumn equinox facts from The
Seasons by the Astronomy Club of Tulsa:
direct rays (of the Sun) are at the equator
months of darkness begins at the North Pole
months of light begins at the South Pole
hours of darkness and twelve hours of light all over the earth
is the longest day of the year on the equator, again (spring equinox
is the longest day, previous)
sun rises due east and sets due west
begins in the Northern Hemisphere
begins in the Southern Hemisphere
out the Spring
Equinox page for more equinox facts and surprise your friends
Geomagnetic storms tend to be most intense
during the weeks around the September equinox.
insights for the Autumn Equinox
Global Meditations ~ September Equinox
are a variety of equinox global meditations occurring at various times
during the day. Participate in one or more of these
meditations to strengthen the Light Grid of planet Earth. Those living
in both the Northern and Southern Hemispheres are participating in September's
Exact: Friday, September 22
at 1:02pm PDT (20:02 UT)
15 mins. before the exact solstice.
Choose a time that suits you.
30-min. recording of music and simple
thoughts is designed to begin 15 mins.
before the peak solstice time. After
30 minutes of meditation jot down
your impressions and guidance.
With this equinox we are contributing to
both individual and global enlightenment.
We are renewing our commitment to protect all
life on Earth by solemnly accepting
serve as a living vessel, as a conscious channel and
as a consenting
instrument for the Will of the
Creator Source present in each of our souls.
May the Light of the One in All be your
guiding beacon... here, now and forever.
Thank you for passing this invitation on to
others so as to help us all expand
the circle of participating souls.
Our Oceans ~
8:00pm your time
This "Wave" meditation
directs healing and loving
energies to the oceans of the world and will circle
the planet during this 24-hour period.
Gather for "Healing the Oceans of the World"
at a body of water or a sacred site.
The following link is related ...
Water Activation Meditation
Merge with dolphin and whale consciousness.
September Equinox ~ Sunset Your Time
a worldwide link-up of people supporting
environmental and personal awareness.
It is held on the equinoxes and solstices.
Starting at sunset participants are asked to
play or listen to meditative music
(preferably didgeridoos) for 45 minutes
and then sit silently for 15 minutes.
This wave meditation starts Sept. 23 in
New Zealand, is followed by Australia, Asia,
Arab countries, Israel, Africa, Europe, with
America, Canada, Middle and South America
completing the world wide circle Sept. 22.
and Ongoing Global Meditations
an Awesome Autumn!
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May your Night Sky traveling always be filled
with Celestial Delights and Treats!
Up! ~ Links
Links to star maps, sky calendars and more.
Thank You for Your Heartfelt
Participation & Generosity!
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