2004 brought 13 full moons and 4 eclipses. The eclipses fell: a partial solar eclipse in Aries on April 19, a total lunar eclipse in Scorpio on May 4, a partial solar eclipse in Libra on October 13, and a total lunar eclipse in Taurus on October 27. Mercury turned retrograde three times (Apr 6 to Apr 30; Aug 9 to Sep 2; Nov 30 to Dec 20). The first full moon rose in Cancer on January 7. July 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 2004
- Jupiter Retrograde
- Mercury Direct
- Full Moon in Cancer
- Mercury enters Capricorn
- Venus enters Pisces
- Last Quarter Moon in Libra
- Sun enters Aquarius
- New Moon in Aquarius
- Juno enters Capricorn
- First Quarter Moon in Taurus
February 2004
- Mars enters Taurus
- Full Moon in Leo
- Mercury enters Aquarius
- Venus enters Aries
- Last Quarter Moon in Scorpio
- Vesta enters Aquarius
- Sun enters Pisces
- New Moon in Pisces
- Pallas enters Taurus
- Mercury enters Pisces
- Ceres Direct
- First Quarter Moon in Gemini
March 2004
- Venus enters Taurus
- Full Moon in Virgo
- Saturn Direct
- Mercury enters Aries
- Last Quarter Moon in Sagittarius
- Sun enters Aries (Spring Equinox)
- New Moon in Aries
- Mars enters Gemini
- Pluto Retrograde
- First Quarter Moon in Cancer
- Mercury enters Taurus
April 2004
- Venus enters Gemini
- Full Moon in Libra
- Mercury Retrograde
- Last Quarter Moon in Capricorn
- Mercury Rx enters Aries
- Vesta enters Pisces
- Partial Solar Eclipse (New Moon) in Aries
- Sun enters Taurus
- Pallas enters Gemini
- First Quarter Moon in Leo
- Mercury Direct
May 2004
- Chiron Retrograde
- Total Lunar Eclipse (Full Moon) in Scorpio
- Jupiter Direct
- Mars enters Cancer
- Last Quarter Moon in Aquarius
- Mercury enters Taurus
- Juno Retrograde
- Neptune Retrograde
- Venus Retrograde
- Ceres enters Leo
- New Moon in Taurus
- Sun enters Gemini
- First Quarter Moon in Virgo
June 2004
- Full Moon in Sagittarius
- Mercury enters Gemini
- Last Quarter Moon in Pisces
- Uranus Retrograde
- Pallas enters Cancer
- New Moon in Gemini
- Mercury enters Cancer
- Sun enters Cancer (Summer Solstice)
- Mars enters Leo
- First Quarter Moon in Libra
- Venus Direct
July 2004
- Full Moon in Capricorn
- Mercury enters Leo
- Last Quarter Moon in Aries
- New Moon in Cancer
- Sun enters Leo
- First Quarter Moon in Scorpio
- Mercury enters Virgo
- Vesta Retrograde
- Ceres enters Virgo
- Full Moon in Aquarius
August 2004
- Pallas enters Leo
- Venus enters Cancer
- Last Quarter Moon in Taurus
- Mercury Retrograde
- Mars enters Virgo
- New Moon in Leo
- Sun enters Virgo
- First Quarter Moon in Sagittarius
- Mercury Rx enters Leo
- Full Moon in Pisces
- Pluto Direct
September 2004
- Juno Direct
- Mercury Direct
- Last Quarter Moon in Gemini
- Venus enters Leo
- Mercury enters Virgo
- New Moon in Virgo
- First Quarter Moon in Sagittarius
- Sun enters Libra (Autumn Equinox)
- Jupiter enters Libra
- Mars enters Libra
- Chiron Direct
- Pallas enters Virgo
- Full Moon in Aries
- Mercury enters Libra
October 2004
- Ceres enters Libra
- Venus enters Virgo
- Last Quarter Moon in Cancer
- Partial Solar Eclipse (New Moon) in Libra
- Mercury enters Scorpio
- First Quarter Moon in Capricorn
- Sun enters Scorpio
- Neptune Direct
- Total Lunar Eclipse (Full Moon) in Taurus
- Vesta Direct
- Venus enters Libra
November 2004
- Mercury enters Sagittarius
- Last Quarter Moon in Leo
- Saturn Retrograde
- Mars enters Scorpio
- Uranus Direct
- New Moon in Scorpio
- First Quarter Moon in Aquarius
- Sun enters Sagittarius
- Venus enters Scorpio
- Full Moon in Gemini
- Mercury Retrograde
December 2004
- Pallas enters Libra
- Juno enters Aquarius
- Last Quarter Moon in Virgo
- Ceres enters Scorpio
- New Moon in Sagittarius
- Venus enters Sagittarius
- First Quarter Moon in Pisces
- Mercury Direct
- Sun enters Capricorn (Winter Solstice)
- Mars enters Sagittarius
- True Node Rx enters Aries
- Full Moon in Cancer