2003 had 12 full moons and 4 eclipses. The eclipses fell: a total lunar eclipse in Scorpio on May 15, an annular solar eclipse in Gemini on May 31, a total lunar eclipse in Taurus on November 8, and a total solar eclipse in Sagittarius on November 23. Mercury turned retrograde four times (Jan 2 to Jan 22; Apr 26 to May 20; Aug 28 to Sep 20; Dec 17 onward). The first full moon rose in Cancer on January 18. 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 2003
- Mercury Retrograde
- New Moon in Capricorn
- Venus enters Sagittarius
- First Quarter Moon in Aries
- Mars enters Sagittarius
- Pallas enters Pisces
- Full Moon in Cancer
- Sun enters Aquarius
- Mercury Direct
- Last Quarter Moon in Scorpio
February 2003
- New Moon in Aquarius
- Venus enters Capricorn
- First Quarter Moon in Taurus
- Vesta Retrograde
- Mercury enters Aquarius
- Full Moon in Leo
- Sun enters Pisces
- Saturn Direct
- Last Quarter Moon in Sagittarius
March 2003
- Venus enters Aquarius
- New Moon in Pisces
- Mars enters Capricorn
- Mercury enters Pisces
- Juno Retrograde
- Uranus enters Pisces
- First Quarter Moon in Gemini
- Ceres enters Taurus
- Full Moon in Virgo
- Sun enters Aries (Spring Equinox)
- Mercury enters Aries
- Pluto Retrograde
- Last Quarter Moon in Capricorn
- Venus enters Pisces
April 2003
- New Moon in Aries
- Jupiter Direct
- Mercury enters Taurus
- First Quarter Moon in Cancer
- True Node Rx enters Taurus
- Full Moon in Libra
- Pallas enters Aries
- Sun enters Taurus
- Venus enters Aries
- Mars enters Aquarius
- Vesta Rx enters Virgo
- Last Quarter Moon in Aquarius
- Chiron Retrograde
- Mercury Retrograde
May 2003
- New Moon in Taurus
- First Quarter Moon in Leo
- Vesta Direct
- Neptune Retrograde
- Total Lunar Eclipse (Full Moon) in Scorpio
- Venus enters Taurus
- Mercury Direct
- Sun enters Gemini
- Last Quarter Moon in Pisces
- Ceres enters Gemini
- Vesta enters Libra
- Annular Solar Eclipse (New Moon) in Gemini
June 2003
- Saturn enters Cancer
- Uranus Retrograde
- First Quarter Moon in Virgo
- Venus enters Gemini
- Mercury enters Gemini
- Full Moon in Sagittarius
- Mars enters Pisces
- Last Quarter Moon in Pisces
- Sun enters Cancer (Summer Solstice)
- Mercury enters Cancer
- Juno Direct
- New Moon in Cancer
July 2003
- Venus enters Cancer
- First Quarter Moon in Libra
- Mercury enters Leo
- Full Moon in Capricorn
- Last Quarter Moon in Aries
- Sun enters Leo
- Venus enters Leo
- New Moon in Leo
- Mars Retrograde
- Mercury enters Virgo
August 2003
- First Quarter Moon in Scorpio
- Ceres enters Cancer
- Full Moon in Aquarius
- Last Quarter Moon in Taurus
- Venus enters Virgo
- Pallas Retrograde
- Sun enters Virgo
- Vesta enters Scorpio
- Jupiter enters Virgo
- New Moon in Virgo
- Mercury Retrograde
- Pluto Direct
September 2003
- First Quarter Moon in Sagittarius
- Full Moon in Pisces
- Uranus Rx enters Aquarius
- Venus enters Libra
- Chiron Direct
- Last Quarter Moon in Gemini
- Mercury Direct
- Sun enters Libra (Autumn Equinox)
- New Moon in Libra
- Mars Direct
October 2003
- First Quarter Moon in Capricorn
- Mercury enters Libra
- Venus enters Scorpio
- Full Moon in Aries
- Last Quarter Moon in Cancer
- Neptune Direct
- Sun enters Scorpio
- Mercury enters Scorpio
- Vesta enters Sagittarius
- New Moon in Scorpio
- Saturn Retrograde
- Juno enters Sagittarius
- First Quarter Moon in Aquarius
November 2003
- Venus enters Sagittarius
- Uranus Direct
- Total Lunar Eclipse (Full Moon) in Taurus
- Mercury enters Sagittarius
- Last Quarter Moon in Leo
- Sun enters Sagittarius
- Total Solar Eclipse (New Moon) in Sagittarius
- Ceres Retrograde
- Venus enters Capricorn
- First Quarter Moon in Pisces
December 2003
- Mercury enters Capricorn
- Pallas Direct
- Full Moon in Gemini
- Mars enters Aries
- Last Quarter Moon in Virgo
- Mercury Retrograde
- Vesta enters Capricorn
- Venus enters Aquarius
- Sun enters Capricorn (Winter Solstice)
- New Moon in Capricorn
- Uranus enters Pisces
- First Quarter Moon in Aries
- Mercury Rx enters Sagittarius