58 A MANUAL FOR NORTHERN WOODSMEN 
A. To refer the above tabular quantities to years subse¬ 
quent to 1915: 
Fcr year 1923 
1924 
1925 
1926 
1927 
1928 
1929 
1930 
1931 
. 1932 
add 4.5 minutes 
add 5.9 
add 2.0 
add 3.3 
add 4.6 “ 
add 5.9 “ 
add 7.2 
add 3.3 
add 4.7 
add 6.2 
add 7.6 “ 
add 9.0 “ 
add 5.1 
up to March 1 
on and after March 1 
up to March 1 
on and after March 1 
up to March 1 
on and after March 1 
B. To refer to any calendar day other than the first and 
fifteenth of each month, subtract the quantities below from 
the tabular quantity for the' preceding date. 
Day of Month 
Minutes 
No. of Days Elapsed 
2 or 16 
3.9 
1 
3 or 17 
7.8 
2 
4 or 18 
11.8 
3 
5 or 19 
15.7 
4 
6 or 20 
19.6 
5 
7 or 21 
23.5 
6 
8 or 22 
27.4 
7 
9 or 23 
31.4 
8 
10 or 24 
35.3 
9 
11 or 25 
39.2 
10 
12 or 26 
43.1 
11 
13 or 27 
47.0 
12 
14 or 28 
51.0 
13 
29 
54.9 
14 
30 
58.8 
15 
31 
62.7 
16 
For the tabular year, two eastern elongations occur on 
July 16, and two western elongations on January 12. 
C. To refer the table to standard time: Add to the tab¬ 
ular quantities four minutes for every degree of longitude 
the place is west of the standard meridian and subtract 
when the place is east of the standard meridian. 
D. To refer to any other than the tabular latitude between 
the limits of 25° and 50° North: Add to the time of west 
elongation 0.10 min. for every degree south of 40° and 
