Across 1999, the sky delivered 13 full moons and 4 eclipses. The eclipses fell: a penumbral lunar eclipse in Leo on January 31, an annular solar eclipse in Aquarius on February 16, a partial lunar eclipse in Aquarius on July 28, and a total solar eclipse in Leo on August 11. Mercury turned retrograde three times (Mar 10 to Apr 2; Jul 12 to Aug 5; Nov 4 to Nov 24). The first full moon rose in Cancer on January 1. January 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 1999
- Full Moon in Cancer
- Ceres Rx enters Taurus
- Venus enters Aquarius
- Mercury enters Capricorn
- Chiron enters Sagittarius
- Last Quarter Moon in Libra
- Juno enters Sagittarius
- Ceres Direct
- New Moon in Capricorn
- Sun enters Aquarius
- First Quarter Moon in Taurus
- Mercury enters Aquarius
- Mars enters Scorpio
- Venus enters Pisces
- Ceres enters Gemini
- Penumbral Lunar Eclipse (Full Moon) in Leo
February 1999
- Pallas enters Aries
- Last Quarter Moon in Scorpio
- Mercury enters Pisces
- Jupiter enters Aries
- Annular Solar Eclipse (New Moon) in Aquarius
- Sun enters Pisces
- Venus enters Aries
- First Quarter Moon in Gemini
- Saturn enters Taurus
March 1999
- Full Moon in Virgo
- Mercury enters Aries
- Last Quarter Moon in Sagittarius
- Mercury Retrograde
- Pluto Retrograde
- Chiron Retrograde
- New Moon in Pisces
- Mercury Rx enters Pisces
- Venus enters Taurus
- Mars Retrograde
- Sun enters Aries (Spring Equinox)
- Vesta Direct
- First Quarter Moon in Cancer
- Juno Retrograde
- Full Moon in Libra
April 1999
- Mercury Direct
- Last Quarter Moon in Capricorn
- Venus enters Gemini
- New Moon in Aries
- Mercury enters Aries
- Pallas enters Taurus
- Sun enters Taurus
- First Quarter Moon in Leo
- Full Moon in Scorpio
May 1999
- Mars Rx enters Libra
- Neptune Retrograde
- Venus enters Cancer
- Last Quarter Moon in Aquarius
- Mercury enters Taurus
- Ceres enters Cancer
- New Moon in Taurus
- Sun enters Gemini
- Uranus Retrograde
- First Quarter Moon in Virgo
- Mercury enters Gemini
- Full Moon in Sagittarius
June 1999
- Chiron Rx enters Scorpio
- Mars Direct
- Venus enters Leo
- Mercury enters Cancer
- Last Quarter Moon in Pisces
- New Moon in Gemini
- Juno Rx enters Scorpio
- First Quarter Moon in Virgo
- Sun enters Cancer (Summer Solstice)
- Pallas enters Gemini
- Vesta enters Virgo
- Mercury enters Leo
- Jupiter enters Taurus
- Full Moon in Capricorn
July 1999
- Mars enters Scorpio
- Last Quarter Moon in Aries
- Venus enters Virgo
- Mercury Retrograde
- New Moon in Cancer
- First Quarter Moon in Libra
- Ceres enters Leo
- Juno Direct
- Sun enters Leo
- Partial Lunar Eclipse (Full Moon) in Aquarius
- Chiron Direct
- Venus Retrograde
- Mercury Rx enters Cancer
August 1999
- Last Quarter Moon in Taurus
- Mercury Direct
- Mercury enters Leo
- Total Solar Eclipse (New Moon) in Leo
- Venus Rx enters Leo
- Pallas enters Cancer
- Pluto Direct
- First Quarter Moon in Scorpio
- Sun enters Virgo
- Jupiter Retrograde
- Full Moon in Pisces
- Vesta enters Libra
- Saturn Retrograde
- Juno enters Sagittarius
- Mercury enters Virgo
September 1999
- Mars enters Sagittarius
- Last Quarter Moon in Gemini
- New Moon in Virgo
- Venus Direct
- Mercury enters Libra
- First Quarter Moon in Sagittarius
- Chiron enters Sagittarius
- Sun enters Libra (Autumn Equinox)
- Full Moon in Aries
- Ceres enters Virgo
October 1999
- Last Quarter Moon in Cancer
- Mercury enters Scorpio
- Venus enters Virgo
- New Moon in Libra
- Neptune Direct
- Mars enters Capricorn
- First Quarter Moon in Capricorn
- Pallas enters Leo
- Jupiter Rx enters Aries
- Uranus Direct
- Sun enters Scorpio
- Full Moon in Taurus
- Vesta enters Scorpio
- Mercury enters Sagittarius
- Last Quarter Moon in Leo
November 1999
- Mercury Retrograde
- New Moon in Scorpio
- Venus enters Libra
- Mercury Rx enters Scorpio
- First Quarter Moon in Aquarius
- Sun enters Sagittarius
- Full Moon in Gemini
- Mercury Direct
- Mars enters Aquarius
- Last Quarter Moon in Virgo
December 1999
- Venus enters Scorpio
- New Moon in Sagittarius
- Juno enters Capricorn
- Mercury enters Sagittarius
- Ceres enters Libra
- Pallas Retrograde
- First Quarter Moon in Pisces
- Jupiter Direct
- Vesta enters Sagittarius
- Sun enters Capricorn (Winter Solstice)
- Full Moon in Cancer
- Last Quarter Moon in Libra
- Venus enters Sagittarius
- Mercury enters Capricorn