28 



MEASURE OF TIME. 



8. The Solar Cycle is a period of 28 years, when the 

 days of the week again return to the same days of the 

 month. 



To find the golden number or lunar cycle. 



RULE. Add 1 to the given year ; divide the sum by 19, 

 and the remainder is the golden number. 



EXAMPLE. What is the golden number for 1857? 



SOLUTION. 1857 + l-=-19=97,rem. 15. Ans. 



NOTE. If remain, it will be 19. Hence, in 1861, the 

 changes of the moon occur on the same days ot the month 

 they did in 1842, 1823, 1804, &c. 



TABLE showing the number of days from any day in one 

 month to the same day in any other. 



EXPLANATION. Find, in the left-hand column, the month 

 from any day of which you wish to compute the number 

 of days to the same day in any other month, and follow 

 the line along until under the latter, and you have the 



