Across 1909, the sky delivered 13 full moons and 4 eclipses. The eclipses fell: a total lunar eclipse in Sagittarius on June 3, a hybrid solar eclipse in Gemini on June 17, a total lunar eclipse in Gemini on November 27, and a partial solar eclipse in Sagittarius on December 12. Mercury turned retrograde three times (Feb 2 to Feb 23; Jun 2 to Jun 26; Sep 30 to Oct 21). The first full moon rose in Cancer on January 6. August saw two full moons, a blue moon. Every full moon, new moon, solar and lunar eclipse, equinox, solstice, planetary ingress, and retrograde station below is computed to the millisecond with the NASA-cross-checked Swiss Ephemeris engine and shown in Eastern Time - Choose your location on the page for your own sky.
January 1909
- Full Moon in Cancer
- Mars enters Sagittarius
- Mercury enters Aquarius
- Last Quarter Moon in Libra
- Venus enters Capricorn
- Sun enters Aquarius
- New Moon in Aquarius
- Ceres enters Capricorn
- First Quarter Moon in Taurus
February 1909
- Mercury Retrograde
- Full Moon in Leo
- Venus enters Aquarius
- Last Quarter Moon in Scorpio
- Vesta enters Sagittarius
- Juno enters Pisces
- Sun enters Pisces
- New Moon in Pisces
- Mars enters Capricorn
- Mercury Direct
- First Quarter Moon in Gemini
- Pallas enters Capricorn
March 1909
- Venus enters Pisces
- Full Moon in Virgo
- Pluto Direct
- Last Quarter Moon in Sagittarius
- Mercury enters Pisces
- Sun enters Aries (Spring Equinox)
- New Moon in Aries
- Neptune Direct
- First Quarter Moon in Cancer
- Venus enters Aries
April 1909
- Full Moon in Libra
- Mercury enters Aries
- Mars enters Aquarius
- Last Quarter Moon in Capricorn
- Vesta Retrograde
- New Moon in Aries
- Sun enters Taurus
- Juno enters Aries
- Mercury enters Taurus
- Venus enters Taurus
- Uranus Retrograde
- First Quarter Moon in Leo
- Pallas Retrograde
May 1909
- Jupiter Direct
- Full Moon in Scorpio
- Mercury enters Gemini
- Last Quarter Moon in Aquarius
- Venus enters Gemini
- New Moon in Taurus
- Sun enters Gemini
- Ceres Retrograde
- Mars enters Pisces
- First Quarter Moon in Virgo
June 1909
- Chiron Retrograde
- Mercury Retrograde
- Total Lunar Eclipse (Full Moon) in Sagittarius
- Venus enters Cancer
- Last Quarter Moon in Pisces
- Hybrid Solar Eclipse (New Moon) in Gemini
- Juno enters Taurus
- Sun enters Cancer (Summer Solstice)
- Pallas Rx enters Sagittarius
- First Quarter Moon in Libra
- Mercury Direct
July 1909
- Full Moon in Capricorn
- Venus enters Leo
- Vesta Direct
- Last Quarter Moon in Aries
- Mercury enters Cancer
- New Moon in Cancer
- Mars enters Aries
- Sun enters Leo
- First Quarter Moon in Scorpio
- Venus enters Virgo
- Mercury enters Leo
August 1909
- Full Moon in Aquarius
- Saturn Retrograde
- Last Quarter Moon in Taurus
- Mercury enters Virgo
- Pallas Direct
- New Moon in Leo
- Venus enters Libra
- Mars Retrograde
- Sun enters Virgo
- First Quarter Moon in Sagittarius
- Juno enters Gemini
- Full Moon in Pisces
- Mercury enters Libra
September 1909
- Ceres Direct
- Last Quarter Moon in Gemini
- New Moon in Virgo
- Venus enters Scorpio
- First Quarter Moon in Sagittarius
- Sun enters Libra (Autumn Equinox)
- Mars Rx enters Pisces
- Uranus Direct
- Pluto Retrograde
- Full Moon in Aries
- Mercury Retrograde
October 1909
- Last Quarter Moon in Cancer
- Pallas enters Capricorn
- Jupiter enters Libra
- Venus enters Sagittarius
- New Moon in Libra
- Mercury Direct
- First Quarter Moon in Capricorn
- Vesta enters Capricorn
- Neptune Retrograde
- Sun enters Scorpio
- Mars Direct
- Juno Retrograde
- Full Moon in Taurus
November 1909
- Chiron Direct
- Last Quarter Moon in Leo
- Venus enters Capricorn
- Mercury enters Scorpio
- New Moon in Scorpio
- First Quarter Moon in Aquarius
- Mars enters Aries
- Sun enters Sagittarius
- Mercury enters Sagittarius
- Ceres enters Aquarius
- Total Lunar Eclipse (Full Moon) in Gemini
December 1909
- Last Quarter Moon in Virgo
- Venus enters Aquarius
- Partial Solar Eclipse (New Moon) in Sagittarius
- Mercury enters Capricorn
- Saturn Direct
- First Quarter Moon in Pisces
- Sun enters Capricorn (Winter Solstice)
- Vesta enters Aquarius
- Full Moon in Cancer