 | Daniel W. Fish - Arithmetic - 1875 - 290 pages
..." 3 45 MEASURES OF TIME. 47. Time is the measure of duration. 48. The Unit is the mean solar day . TABLE. 60 Seconds (sec.) = 1 Minute . . min. 60 Minutes = 1 Hour . . . hr. 24 Hours = 1 Day . . -. da. 7 Days = 1 Week . . wk. 365 Days, or 12 Calendar Mo. 366 Days = 1 Leap Year . yr. 100 Years... | |
 | Milton Browning Goff - Arithmetic - 1876 - 462 pages
...the same as a mean solar day ; that is, 24 hours, and in most countries begins and ends at midnight. TABLE. 60 seconds (sec.) = 1 minute .... min. 60 minutes = 1 hour hr. 24 hours = 1 day da. 7 days = 1 week wk. 12 calendar months = 1 year yr. 365 days (or 52 wk. 1 da.) =1 common year.... | |
 | Edgar Arthur Singer - Mental arithmetic - 1876 - 198 pages
...units or denominations of time are second, minute, hour, day, and year. Table. 60 seconds (sec.) are 1 minute, min. 60 minutes " 1 hour, hr. ^ 24 hours " 1 day, da. 365 days " 1 common year, yr. 366 days " 1 leap year, yr. 100 years " 1 centurtI, G. 1 days are... | |
 | Daniel W. Fish - Arithmetic - 1876 - 302 pages
...47. Time is the measure of duration. 48. The Unit is the mean solar day . TABLE. 60 Seconds (see.) = 1 Minute . . min. 60 Minutes = 1 Hour . . . hr. 24 Hours = 1 Day . . . da. 7 Days = 1 Week . . wk. 865 Days, or 12 Calendar Mo, 866 Days = 1 Leap Year . yr. 100 Years... | |
 | Albert Newton Raub - Arithmetic - 1877 - 348 pages
...7 drams, 3vij. ; 13 ounces, TIME. 115. Time is a measured portion of duration. TABLE. 60 seconds = 1 minute, min. 60 minutes = 1 hour, hr. 24 hours = 1 day, d. 365 days = 1 year yr. 366 days = 1 leap-year. 100 years = 1 century, cen. Also, 7 days = 1 week, wk. 4 weeks = 1 mouth, mo. 52 weeks =... | |
 | William James Milne - Arithmetic - 1877 - 418 pages
...from 3 Ib. 5 oz. of silver ? MEASURES OF TIME. 274. The following are the ordinary divisions of time: TABLE. 60 Seconds (sec.) = 1 Minute . . . min. 60 Minutes = 1 Hour .... hr. 24 hours = 1 Day .... da. 7 days = 1 Week .... wk. 365 days = 1 Year .... yr. 366 days = 1 Leap Year . . yr. 100 years... | |
 | Horatio Nelson Robinson - Arithmetic - 1877 - 250 pages
...the measure of a portion of duration. TABLE. COMMON YEAR. c 525600 min, 1 Zr. = ] 8760 hr. ( 365 da. 60 Seconds (sec.) — 1 Minute . . . min. 60 Minutes = 1 Hour . . . hr. 24 Hours = 1 Day . . . .da. 7 Days = 1 Week . . . wk. 365 Days = 1 Common Year, yr 30S Daya = 1 Leap Year . . yr. Name... | |
 | William Guy Peck - Arithmetic - 1877 - 430 pages
...days each ; all other years are comman years and contain 365 days each. TABLE. 60 seconds (sec.) make 1 minute min. 60 minutes " 1 hour hr. 24 hours " 1 day da. 7 days " 1 week wk. 365 days " 1 common year yr. 366 days " 1 leap year yr. 100 years " 1 century... | |
 | William Guy Peck - Arithmetic - 1878 - 240 pages
...not divisible by 400) are leap years, all other years are common years. TABLE. 60 seconds (sec.) make 1 minute . . . min. 60 minutes " 1 hour .... hr. 24 hours " 1 day . ... da. 7 days " 1 week .... wTc. 365 days " 1 common year . c. yr. 386 days " 1 leap year . . l.yr.... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1881 - 446 pages
...grains. 7. 745 Ibs. avoirdupois to troy weight. 8. 745 Ibs. troy to avoirdupois weight. 301. TlME60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day (dy.). 7 days = 1 week (wk.). 365 days (or 52 wks. 1 dy.) = 1 common-year (yr.). 366 days = 1 leap-year.... | |
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TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24... 
