1904 had 13 full moons and 5 eclipses. The eclipses fell: a penumbral lunar eclipse in Virgo on March 1, an annular solar eclipse in Pisces on March 17, a penumbral lunar eclipse in Libra on March 31, a total solar eclipse in Virgo on September 9, and a penumbral lunar eclipse in Aries on September 24. Mercury turned retrograde four times (Jan 8 to Jan 28; May 2 to May 26; Sep 2 to Sep 25; Dec 22 onward). The first full moon rose in Cancer on January 3. March 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 1904
- Mercury enters Aquarius
- Full Moon in Cancer
- Venus enters Sagittarius
- Mercury Retrograde
- Last Quarter Moon in Libra
- Ceres enters Sagittarius
- Vesta Direct
- Mercury Rx enters Capricorn
- True Node Rx enters Virgo
- New Moon in Capricorn
- Mars enters Pisces
- Sun enters Aquarius
- First Quarter Moon in Taurus
- Mercury Direct
- Venus enters Capricorn
February 1904
- Full Moon in Leo
- Last Quarter Moon in Scorpio
- Mercury enters Aquarius
- New Moon in Aquarius
- Pallas enters Sagittarius
- Sun enters Pisces
- Vesta enters Gemini
- Venus enters Aquarius
- First Quarter Moon in Gemini
- Mars enters Aries
- Jupiter enters Aries
March 1904
- Penumbral Lunar Eclipse (Full Moon) in Virgo
- Pluto Direct
- Mercury enters Pisces
- Last Quarter Moon in Sagittarius
- Juno enters Aquarius
- Neptune Direct
- Annular Solar Eclipse (New Moon) in Pisces
- Venus enters Pisces
- Sun enters Aries (Spring Equinox)
- Mercury enters Aries
- First Quarter Moon in Cancer
- Pallas Retrograde
- Penumbral Lunar Eclipse (Full Moon) in Libra
April 1904
- Uranus Retrograde
- Mars enters Taurus
- Last Quarter Moon in Capricorn
- Mercury enters Taurus
- Venus enters Aries
- New Moon in Aries
- Ceres Retrograde
- Sun enters Taurus
- Chiron enters Aquarius
- First Quarter Moon in Leo
- Full Moon in Scorpio
- Pallas Rx enters Scorpio
May 1904
- Mercury Retrograde
- Chiron Retrograde
- Last Quarter Moon in Aquarius
- Venus enters Taurus
- New Moon in Taurus
- Vesta enters Cancer
- Mars enters Gemini
- Chiron Rx enters Capricorn
- Sun enters Gemini
- First Quarter Moon in Virgo
- Mercury Direct
- Full Moon in Sagittarius
- Saturn Retrograde
- Venus enters Gemini
June 1904
- Last Quarter Moon in Pisces
- New Moon in Gemini
- Mercury enters Gemini
- Juno Retrograde
- First Quarter Moon in Virgo
- Sun enters Cancer (Summer Solstice)
- Venus enters Cancer
- Full Moon in Capricorn
- Mars enters Cancer
July 1904
- Mercury enters Cancer
- Last Quarter Moon in Aries
- Pallas Direct
- New Moon in Cancer
- Mercury enters Leo
- First Quarter Moon in Libra
- Venus enters Leo
- Sun enters Leo
- Vesta enters Leo
- Ceres Direct
- Full Moon in Aquarius
August 1904
- Mercury enters Virgo
- Last Quarter Moon in Taurus
- Jupiter enters Taurus
- New Moon in Leo
- Venus enters Virgo
- Mars enters Leo
- First Quarter Moon in Scorpio
- Jupiter Retrograde
- Sun enters Virgo
- Full Moon in Pisces
- Mercury enters Libra
- Jupiter Rx enters Aries
September 1904
- Mercury Retrograde
- Last Quarter Moon in Gemini
- Uranus Direct
- Venus enters Libra
- Mercury Rx enters Virgo
- Total Solar Eclipse (New Moon) in Virgo
- First Quarter Moon in Sagittarius
- Pallas enters Sagittarius
- Pluto Retrograde
- Sun enters Libra (Autumn Equinox)
- Penumbral Lunar Eclipse (Full Moon) in Aries
- Mercury Direct
- Juno Direct
- Venus enters Scorpio
- Vesta enters Virgo
October 1904
- Mars enters Virgo
- Chiron Direct
- Last Quarter Moon in Cancer
- Mercury enters Libra
- New Moon in Libra
- Neptune Retrograde
- First Quarter Moon in Capricorn
- Saturn Direct
- Sun enters Scorpio
- Full Moon in Taurus
- Venus enters Sagittarius
- Mercury enters Scorpio
- Last Quarter Moon in Leo
November 1904
- Ceres enters Capricorn
- New Moon in Scorpio
- Mercury enters Sagittarius
- First Quarter Moon in Aquarius
- Venus enters Capricorn
- Mars enters Libra
- Sun enters Sagittarius
- Full Moon in Gemini
- Last Quarter Moon in Virgo
December 1904
- Mercury enters Capricorn
- New Moon in Sagittarius
- Pallas enters Capricorn
- Venus enters Aquarius
- First Quarter Moon in Pisces
- Jupiter Direct
- Vesta enters Libra
- Uranus enters Capricorn
- Sun enters Capricorn (Winter Solstice)
- Mercury Retrograde
- Full Moon in Cancer
- Juno enters Pisces
- Last Quarter Moon in Libra