1911 brought 12 full moons and 4 eclipses. The eclipses fell: a total solar eclipse in Taurus on April 28, a penumbral lunar eclipse in Scorpio on May 13, an annular solar eclipse in Libra on October 21, and a penumbral lunar eclipse in Taurus on November 6. Mercury turned retrograde four times (Jan 1 to Jan 21; Apr 24 to May 18; Aug 26 to Sep 18; Dec 16 onward). The first full moon rose in Cancer on January 14. 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 1911
- Mercury Retrograde
- Saturn Direct
- First Quarter Moon in Aries
- Venus enters Aquarius
- Vesta enters Taurus
- Full Moon in Cancer
- Chiron enters Pisces
- Saturn enters Taurus
- Sun enters Aquarius
- Mercury Direct
- Last Quarter Moon in Scorpio
- New Moon in Aquarius
- Mars enters Capricorn
February 1911
- Venus enters Pisces
- First Quarter Moon in Taurus
- Juno Retrograde
- Mercury enters Aquarius
- Full Moon in Leo
- Sun enters Pisces
- Last Quarter Moon in Sagittarius
- Venus enters Aries
- New Moon in Pisces
March 1911
- Jupiter Retrograde
- Ceres enters Taurus
- Mercury enters Pisces
- First Quarter Moon in Gemini
- Pluto Direct
- Mars enters Aquarius
- Full Moon in Virgo
- Pallas enters Aries
- Mercury enters Aries
- Sun enters Aries (Spring Equinox)
- Last Quarter Moon in Capricorn
- Venus enters Taurus
- New Moon in Aries
- Neptune Direct
April 1911
- Mercury enters Taurus
- First Quarter Moon in Cancer
- Full Moon in Libra
- Vesta enters Gemini
- Venus enters Gemini
- Sun enters Taurus
- Last Quarter Moon in Aquarius
- Mars enters Pisces
- Mercury Retrograde
- Total Solar Eclipse (New Moon) in Taurus
May 1911
- Uranus Retrograde
- First Quarter Moon in Leo
- Venus enters Cancer
- Penumbral Lunar Eclipse (Full Moon) in Scorpio
- Mercury Direct
- Ceres enters Gemini
- Last Quarter Moon in Aquarius
- Sun enters Gemini
- New Moon in Gemini
- Juno Direct
June 1911
- Mars enters Aries
- First Quarter Moon in Virgo
- Venus enters Leo
- Pallas enters Taurus
- Chiron Retrograde
- Full Moon in Sagittarius
- Mercury enters Gemini
- Last Quarter Moon in Pisces
- Sun enters Cancer (Summer Solstice)
- Vesta enters Cancer
- New Moon in Cancer
- Mercury enters Cancer
July 1911
- Jupiter Direct
- First Quarter Moon in Libra
- Venus enters Virgo
- Full Moon in Capricorn
- Mercury enters Leo
- Mars enters Taurus
- Last Quarter Moon in Aries
- Sun enters Leo
- New Moon in Leo
- Mercury enters Virgo
- Ceres enters Cancer
August 1911
- First Quarter Moon in Scorpio
- Full Moon in Aquarius
- Last Quarter Moon in Taurus
- New Moon in Leo
- Sun enters Virgo
- Venus Retrograde
- Mercury Retrograde
- First Quarter Moon in Sagittarius
September 1911
- Vesta enters Leo
- Saturn Retrograde
- Mars enters Gemini
- Full Moon in Pisces
- Last Quarter Moon in Gemini
- Mercury Direct
- Juno enters Scorpio
- New Moon in Virgo
- Sun enters Libra (Autumn Equinox)
- Pluto Retrograde
- First Quarter Moon in Capricorn
October 1911
- Pallas Retrograde
- Uranus Direct
- Venus Direct
- Mercury enters Libra
- Full Moon in Aries
- Last Quarter Moon in Cancer
- Mars Retrograde
- Annular Solar Eclipse (New Moon) in Libra
- Mercury enters Scorpio
- Sun enters Scorpio
- Neptune Retrograde
- Ceres enters Leo
- First Quarter Moon in Aquarius
November 1911
- Penumbral Lunar Eclipse (Full Moon) in Taurus
- Venus enters Libra
- Mercury enters Sagittarius
- Last Quarter Moon in Leo
- Chiron Direct
- New Moon in Scorpio
- Sun enters Sagittarius
- Vesta enters Virgo
- First Quarter Moon in Pisces
- Mars Rx enters Taurus
December 1911
- Mercury enters Capricorn
- Ceres Retrograde
- Full Moon in Gemini
- True Node Rx enters Aries
- Venus enters Scorpio
- Jupiter enters Sagittarius
- Last Quarter Moon in Virgo
- Mercury Retrograde
- Juno enters Sagittarius
- New Moon in Sagittarius
- Sun enters Capricorn (Winter Solstice)
- Mercury Rx enters Sagittarius
- First Quarter Moon in Aries
- Mars Direct
- Pallas Direct