 | George Roberts Perkins - Arithmetic - 1846 - 266 pages
...the same may be said of 1900 ; but the year 2000, being divisible by 400, will be a Leap year. Thirty days hath September, April, June, and November — All the rest have thirty-one, Excepting February alone, Which has but twenty-eight in fine, Till Leap year gives it twenty-nine.... | |
 | James Pilkington - Formulas, recipes, etc - 1847 - 536 pages
...; the cycle of indiction, and the olympiad, are examples of the artificial division of time. Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the leap-year : that 's the time, When February's days are twenty and nine. MECHANICAL EXERCISES.... | |
 | Charles Davies - Arithmetic - 1847 - 368 pages
...October, - - - - 31 11 ... November, - - - 30 12' - - - December, - - - 31 Total 3H5 REDUCTION OF Thirty days hath September, April, June, and November ; All the rest have thirty-one, Excepting February, twenty-eight alone. EXAMPLES. 1. How many seconds in a year of 365 Aj. 6Ar. ? OPERATION.... | |
 | Daniel Adams - Arithmetic - 1848 - 330 pages
...cider ? The number of days in each month may easily be remembered from the following lines : Thirty days hath September, April, June, and November ; All...; and one day more We add to it, one year in four. EXAMPLES FOR PRACTICE. 1. How many seconds from Jan, 1, 1790, till March 1, 1804, including the two... | |
 | Daniel Adams - Arithmetic - 1848 - 342 pages
...cider? The number of days in each month may easily be remembered from the following lines : Thirty days hath September, April, June, and November ; All...; and one day more We add to it, one year in four. EXAMPLES FOR PRACTICE. 1. How many seconds from Jan. 1, 1790, till March 1, 1804, including the two... | |
 | Daniel Adams - Arithmetic - 1848 - 330 pages
...cider ? The number of days in each month may easily be remembered from the following lines : Thirty days hath September, April, June, and November ; All...; and one day more We add to it, one year in four. EXAMPLES FOR PRACT1CE. 1. How many seconds from Jan. 1, 1790, till March 1, 1804, including the two... | |
 | Daniel Adams - Arithmetic - 1848 - 354 pages
...cider ? The number of days in each month may easily be remembered from the following lines : Thirty days hath September, April, June, and November ; All...twenty-eight ; and one day more We add to it, one yearin four. EXAMPLES FOR PRACTICE. 2. In 446947200 seconds how many weeks ? 1. How many seconds from... | |
 | Daniel Adams - Arithmetic - 1848 - 194 pages
...remembered from the following lines : Thirty days hath September, April, June, and November ; All 'he rest have thirty-one, Save February, which alone Hath twenty-eight ; and one day more We add to ,t one year in four. 1. Howmany seconds in 2 minutes? — in 5 m. ? —in 3m. 10s. ? —in 4m. 15 s.?... | |
 | Charles Davies - Arithmetic - 1848 - 88 pages
...December, - - 31 Total 365 4. How do you remember which of the months have 30 days, and which 31 ? JThirty days hath September, April, June, and November; All the rest have thirty-one, LESSON XV. Circular Measure or Motion. 1. For what is Circular Measure used ? Circular measure is used... | |
 | George Roberts Perkins - Arithmetic - 1849 - 346 pages
...days in the respective months may be recalled by recollecting the following versification : Thirty days hath September, April, June, and November — All the rest have thirty-one, Excepting February alone, Which has but twenty-eight in fine, Till Leap Year gives it twenty-nine.... | |
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Thirty days hath September, April. June, and November; All the rest have thirty.one, Save February, which alone Hath twenty.eight; and one day more We add to it one year in four. 
