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" The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd: And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap year gives it twenty-nine. "
Mathematical Manual for the Use of Colleges and Academies - Page 203
by L. I. M. Chevigné - 1807
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The Juvenile Arithmetick, and Scholar's Guide: Illustrated with Familiar ...

Martin Ruter - 1831 - 190 pages
...statement of the number of days m each of the twelve months, as they stand in tho calender or almanack : The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd : And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap year gives...
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Rose's New Arithmetic: An Explanatory and Practical Arithmetic, Adapted to ...

John Rose - 1835 - 192 pages
...5th May, 6th , June, 7th July, 8th August, 9th September, 10th October, llth November, 12th December, The fourth, eleventh, ninth, and sixth, • Have thirty days to each affix'd ; And every other thirty-one, » Except the second month alone, Which has but twenty-eight, in fine « Till leap-year...
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The New System of Practical Arithmetic: Whereby Most of the Various Problems ...

Charles Potts - 1835 - 202 pages
...days. The additional day in leap year is always added to the number of days' in the month of February. The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd ; And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine, 'Till leap year gives...
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The Western Practical Arithmetic: Wherein the Rules are Illustrated, and ...

1838 - 218 pages
...together, every fourth year is added to it, making leap year 366 days. The year is divided into 12 months as follows. The fourth, eleventh, ninth and sixth, Have thirty days to each affixed, And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine,...
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System of Practical Arithmetic

1845 - 210 pages
...statement of the number of days in each of the twelve months, as they stand in the calendar or almanac : The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd : And every other thirty-one, Except the second month alone. Which has but twenty-eight in fine, Till leap year gives...
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The Columbian Calculator: Being a Practical and Concise System of Decimal ...

Almon Ticknor - 1846 - 274 pages
...57 seconds, or 365.2423+ = 1 solar year, 100 years =1 century. Every 4th or leap-year has 366 days. The year is also divided into 12 calendar months, as follows : The diurnal motion of the earth on its axis is 17^- miles per minute at the equator=1035 miles per hour....
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The Speedy Calculator: Being a System of Arithmetic

Benjamin Naylor - 1850 - 334 pages
...statement of the number of days in each of the twelve months, as they stand in the calendar or almanac : The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd ; And every other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap year gives...
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The New Federal Calculator, Or Scholar's Assistant

Thomas Tucker Smiley - 1854 - 192 pages
...w. 4 weeks - 1 month, mo. 3 lunar months, 1 day, and 6 hours, ) , y or 365 days and 6 hours $ ye r> The year is also divided into 12 calendar months,...ninth, and sixth, Have thirty days to each affix'd, And ev'ry other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap-year...
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The New Federal Calculator, Or Scholar's Assistant: Containing the Most ...

Thomas Tucker Smiley - 1868 - 238 pages
...hours, > . у or 365 days and 6 hours $ Je ' 7V/,.' г/"//- w afeo divided into 12 calendar months, at follows : The fourth, eleventh, ninth, and sixth, Have thirty days to each affix'd, And ev'ry other thirty-one, Except the second month alone, Which has but twenty-eight in fine, Till leap-year...
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