Moon Phase CalculatorHernando de Soto's
Lunar Activity



Moon Phase Calculator Used Here Compiled by Donald E. Sheppard from Moon Phase
Calculations and Lunar Circumstance Tables provided by
Dennis L. Mammana in 1994, Resident Astronomer,
Natural Science Center, Balboa Park, San Diego, CA


THIS WAS THE FIRST LUNAR INTELLIGENCE EVER USED
IN THE STUDY OF HERNANDO DE SOTO'S CONQUEST!

eMail the Author WHY ARE MOON PHASES CRITICAL?         CONQUEST CALENDARS
Harvest and Hunter's Moons   Sun & Moon Eclipses   Spring Tides

MOON PHASE          DATE              EVENT DURING CONQUEST
			FIRST YEAR 
NEW MOON	MAY 18, 1539	DESOTO SAILS FROM HAVANA ON SPRING TIDE
FULL MOON	JUNE 1, 1539	DESOTO LANDS IN FLORIDA ON SPRING TIDE
NEW MOON	JULY 15, 1539	DESOTO'S ARMY LEAVES PORT FOR INTERIOR
FULL MOON	JULY 31, 1539	RIDERS SENT TO ADVANCE THE ARMY
NEW MOON	AUG. 14, 1539	DESOTO CONDUCTS HERNANDO MASSACRE
FULL MOON	AUG. 29, 1539	ARMY ADVANCES FROM OCALE TO SUWANNEE
HARVEST M.	SEP. 27, 1539	DESOTO PILLAGES TALLAHASSEE, FLORIDA
NEW MOON	OCT. 12, 1539	ANASCO GETS LOST FINDING PANAMA CITY
HUNTERS M.	OCT. 27, 1539	THE THIRTY LANCERS RECROSS THE GREAT SWAMP
NEW MOON	NOV. 10, 1539	SHIPS LEAVE PORT CHARLOTTE ON SPRING TIDES

    ARMY WINTERS AT BOTH PANAMA CITY AND MARIANNA CAMPS

			SECOND YEAR
FULL MOON	MAR. 22, 1540	ARMY TAKES TOA: DAWSON, GEORGIA
NEW MOON	APL. 7, 1540	DESOTO PLACED A CROSS IN ALTAMAHA
FULL MOON	APL. 21, 1540	LOST IN SOUTH CAROLINA, SCOUTS DISPATCHED
FULL MOON	MAY 20, 1540	DESOTO ENTERS NORTH CAROLINA AT DAWN
FULL MOON	JUNE 19, 1540	DESOTO DEMANDS WOMEN FOR MEN AT CHIAHA
NEW MOON	JULY 4, 1540	DESOTO QUARRELS WITH, THRASHES SOLDIERS
FULL MOON	JULY 19, 1540	SCOUTS EXPLORE COOSA, A LONG GEORGIA VALLEY
FULL MOON	AUG. 17, 1540	SCOUTS LEAVE COOSA, ARMY ADVANCES IN 3 DAYS
NEW MOON	AUG. 31, 1540	ARMY TAKES ULIBAHALI ON COOSA RIVER, ALABAMA
HARVEST M.	SEP. 16, 1540	ARMY RESTS ABOVE TALISI, EAST OF MONTGOMERY
HUNTERS M.	OCT. 15, 1540	DESOTO AT CHIEF TUSCALUSA'S HOME TOWN 
FULL MOON	NOV. 14, 1540	ARMY DEPARTS MABILA BATTLE RECOVERY AREA
NEW MOON	NOV. 28, 1540	PIRAGUA BOAT MOVED TO BLACK WARRIOR RIVER
FULL MOON	DEC. 13, 1540	ARMY ARRIVES AT THE TENNESSEE RIVER

    AT LAWRENCEBURG, TN, FOR WINTER; ARMY MAKES EAST AND WEST STRIKES

			THIRD YEAR
NEW MOON	APL. 26, 1541	WAR AT ALIBAMO, BELOW NASHVILLE, TENNESSEE
FULL MOON	MAY 9, 1541	DESOTO TAKES QUIZQUIZ, WESTERN KENTUCKY
NEW MOON	JUNE 24, 1541	DESOTO TAKES VINCENNES, INDIANA
FULL MOON	JULY 8, 1541	SCOUTS DEPART TO FRENCH LICK AND CHICAGO
FULL MOON	AUG. 6, 1541	REPORTED THE "LARGEST TOWN" IN NORTH AMERICA
HARVEST M.	SEP. 6, 1541	ARMY CROSSES MISSISSIPPI RIVER INTO MISSOURI
HUNTERS M.	OCT. 5, 1541	ARMY APPROACHES TULLA, WEST PLAINS, MISSOURI
NEW MOON	OCT. 19, 1541	ARMY ENTERS ARKANSAS IN DARKNESS
FULL MOON	NOV. 3, 1541	ARMY AT JACKSONPORT, SPENDS THE WINTER THERE

    ARMY SPENDS THE WINTER EXPLORING MISSISSIPPI RIVER'S WEST SIDE FLATS

			FOURTH YEAR
NEW MOON 	MAR. 16, 1542	ARMY CROSSES WHITE RIVER SOUTHWARD IN SNOWS 
FULL MOON	MAR. 31, 1542	ARMY IN NILCO, STAR CITY, ARKANSAS
NEW MOON	APL. 15, 1542	ARMY MOVES LEISURELY TO LAKE VILLAGE
FULL MOON	APL. 29, 1542	SCOUTS EXPLORE LOWER MISSISSIPPI RIVER
HALF MOON	MAY 21, 1542	DESOTO DIES, BURIED AFTER DARK AT LAKE VILLAGE
FULL MOON	MAY 28, 1542	HIS BODY DUG UP, PLACED IN MISSISSIPPI RIVER
FULL MOON	JUNE 27, 1542	STOP AT RUSTON, LOUISIANA, WITH NEW LEADER 
FULL MOON	JULY 26, 1542	ARMY HALTED AT THE SABINE RIVER IN LOUISIANA
FULL MOON	AUG. 25, 1542	ARMY TRAVELS MISSION TEJAS AREA OF TEXAS
HARVEST M.	SEP. 24, 1542	ARMY AT AUSTIN, TX, SCOUTS EXPLORE BEYOND
HUNTERS M.	OCT. 23, 1542	ALL RETURN TO NAGUATEX, CROSS THE SABINE RIVER
FULL MOON	NOV. 22, 1542	ARMY AT STAR CITY, HEADED FOR ARKANSAS RIVER

    ARMY SPENDS THE WINTER BUILDING ESCAPE BOATS AT PINE BLUFF

			LAST YEAR
FULL MOON	APL. 20, 1543	ARKANSAS RIVER FLOODS AT SPRINGTIME
NEW MOON	JULY 2, 1543	DEPART ON ARKANSAS RIVER FOR GULF OF MEXICO
FULL MOON	JULY 16, 1543	MOUTH OF MISSISSIPPI RIVER, BOATS REPAIRED
NEW MOON	JULY 31, 1543	INSIDE PORT AUTHOR, TEXAS, BAD WEATHER
FULL MOON	AUG. 14, 1543	SAILING INSIDE MATAGORDA BAY, TEXAS
NEW MOON	AUG. 30, 1543	STOP BY RIO GRANDE RIVER'S OUTLET
HARVEST M.	SEP. 13, 1543	SAFELY INSIDE PANICO, MEXICO

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