Starmap2099

Every Celestial Event Mapped to the Millisecond

Swiss Ephemeris (DE441) resolves every event to the millisecond.

Engine cross-checked against NASA JPL HORIZONS - The model that flies spacecraft.

Every other almanac stops at the minute. We get it EXACT.

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2099 has 13 full moons and 4 eclipses. The eclipses fall: an annular solar eclipse in Aries on March 21, a partial lunar eclipse in Libra on April 5, a total solar eclipse in Virgo on September 14, and a penumbral lunar eclipse in Aries on September 29. Mercury turns retrograde three times (Feb 15 to Mar 9; Jun 17 to Jul 11; Oct 13 to Nov 3). The first full moon rises in Cancer on January 6. July sees 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 2099

February 2099

March 2099

April 2099

May 2099

June 2099

July 2099

August 2099

September 2099

October 2099

November 2099

December 2099

Browse Every Year - 1900 to 2099

Two full centuries of the sky, each year computed to the millisecond - every full moon, eclipse, equinox, solstice, ingress, and retrograde station. Look up the sky on any birthday.

1900s
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1910s
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1920s
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1930s
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1940s
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1950s
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1960s
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1970s
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1980s
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1990s
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2000s
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2010s
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2020s
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2030s
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2040s
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2050s
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2060s
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2070s
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2080s
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2090s
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2099 Celestial Events - Frequently Asked Questions

STARMAP is the most precise 2099 astrology calendar on the web - Every event of the year to the millisecond, in your own timezone and your own sky. The answers below come straight from the data.

What are the 2099 eclipse dates and times?

2099 has 4 eclipses: Annular Solar Eclipse on ; Partial Lunar Eclipse on ; Total Solar Eclipse on ; Penumbral Lunar Eclipse on . Every instant lands on the millisecond - Times mark the exact lunation instant of each eclipse.

When are the 2099 solstices and equinoxes?

Spring Equinox: ; Summer Solstice: ; Autumn Equinox: ; Winter Solstice: .

When is Mercury retrograde in 2099?

Mercury stations retrograde 3 times in 2099: , , . The exact station instants are on the calendar above.

How many full moons are there in 2099?

2099 has 13 full moons. The first is the Full Moon in Cancer on .

How accurate are these celestial event times?

Every event is computed with the Swiss Ephemeris (DE441) and resolved to the millisecond. The engine is verified against NASA JPL HORIZONS - The model that flies spacecraft - On the 2026 major events. Almanacs stop at the minute. Starmap does not. Far-future instants ride the projected Earth-rotation model and may drift by seconds (up to about a minute by 2099) as observations land.