Starmap1900

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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Across 1900, the sky delivered 12 full moons and 4 eclipses. The eclipses fell: a total solar eclipse in Gemini on May 28, a penumbral lunar eclipse in Sagittarius on June 12, an annular solar eclipse in Scorpio on November 22, and a penumbral lunar eclipse in Gemini on December 6. Mercury turned retrograde three times (Mar 15 to Apr 7; Jul 18 to Aug 11; Nov 9 to Nov 29). The first full moon rose in Cancer on January 15. 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 1900

February 1900

March 1900

April 1900

May 1900

June 1900

July 1900

August 1900

September 1900

October 1900

November 1900

December 1900

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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1900 Celestial Events - Frequently Asked Questions

STARMAP is the most precise 1900 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 were the 1900 eclipse dates and times?

1900 had 4 eclipses: Total Solar Eclipse on ; Penumbral Lunar Eclipse on ; Annular Solar Eclipse on ; Penumbral Lunar Eclipse on . Every instant lands on the millisecond - Times mark the exact lunation instant of each eclipse.

When were the 1900 solstices and equinoxes?

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

When was Mercury retrograde in 1900?

Mercury stationed retrograde 3 times in 1900: , , . The exact station instants are on the calendar above.

How many full moons were there in 1900?

1900 had 12 full moons. The first was 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. Positions for this pre-atomic era are exact; the clock-time mapping is good to about a second.