The Texas Almanac for 1872, and Emigrant's Guide to Texas. Page: XIII
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TEXAS ALMANAC0,
CONJUNCTION OF PLANETS, AND OTHER PHE TOlENA.-Continued.
Washingat'n Distance Wsi n
Mth. Aspect. ashingt'n Distance. Mth. Aspect. Washingt'n Distance
Tim. Apart Time. Apart.
D. H. 3. s o i D. H. M. o f
July. ) near f 4 9 26m. d 0 58 S Sept. 4 dd 21 11 14 m 0 38 N
' ) near 9 5 6 22m. 9 1 58 S ' near 28 0 31e, 21 4 29
" ' near 4 7 6 41m. 4 339 S + near d 28 6 45e. d 3 56 S
Saturn 8 Sun 9 6 15 o. 2 180 0 E Oct. near 4 3 52 m. 9 2 34 S
4 6 0 10 1 33e. 4 112 S 2 F Sun 7 5 29 e. 12 90 0 E
S ) near t 19 3 5 e. 3 12 N " 3 near f 9 0 1 e. ' 3 25 N
" 9 64 28 914e. + 0 4 N 3 near 26 529m. 14 41 8
Aug. near o 2 5 30m. d 2 17 S " near 27 1 ; e. d 4 0 S
?l 6 i 2 10 57e. 4 0 0 Nov. near 3 6 3 m. 025 8
" gr. elo1. 3 237m. 0 27 2 E t near 5 7 53 e. 6 3 38 N
" near 2 -4 0 31 m. ' 3 56 S '4 ] Sun 2 6 18 m. 14 90 0 W
" ne, r 4 2 8 e. 3 28 S " a near 21 22 7 47 e. 14 42 S
" near 6 9 2m. 7 45 S - near ' 25 h 57 & 3 28
i near t 15 10 42 e. ft 3 8 1 " gr. elon. 27 6 29e.~ 21 32 E
" y d 23 9 46m. 9 6 29 N Dec. near y 3 3 57m, 141 N
" near a 31 0 2t in. d 318 S " near i 3 657m. 1 3 47 i
" g) near 31 633e. 14 412 S " it 4 755 e. ? 119S
Sept. M near 9 3 9 31e. 2 3 49 S " 7 stationary 16 8 27e.
)near f 12 534m. 11 3 13 N " Near 4 20 528m. 4 31 S
" 0 gr. elou. 15 8 53e. ) 17 53TV near '23 10 53e. d 2 16 S
" stationary 18 8 46 m. " ' near 1 30 9 24e. 3 3 54 N
NOTE.-The word "near" indiates sameness of longitude, or conjunction. For Aus-
tin time substract lh. 35m. from Washington time.
TO GET CORRECT TIME.
When the shadow cast by the Sun reaches the noon-mark, set the clock, before or after
l, at the time given in calendar pages of this Almanac, in the column of "Sun Fast or
Slow," and it T'ill be exactly right. If a meridian line is used instead of a noou-mark,
he passing the lines by the Sun's centre is the moment for setting the clock. Any skill-
tul surveyor can make a noon-mark or meridian lines of small brass or copper wires. In
doing so, he must allow for the variation of the magnetic needle from atrte or astronomical
north and south line.
TRUE TIME.
Two kinds of time are used in Almanacs-elock or meat-timie in some, andl apparent or
sun-timein others. Clock-timue is always right, while aun-time varied every day. People
generally suppose it is twelve o'clock when the Sun is due south, or at a properly made
noon-mark. But this is a mistake. The Snn is seldom on the meridian at twelve o'clock;
indeed, this isthe case only on four days of the year: namely, April 15th, June 15th, Sept.
1st and IDecembe r 24th. In this Almanac, as in most other almanacs, the time used is
clock-time. The time when the Sun is on the meridian or at the noon-mark is also given to
the nearest second for every d.ay in the year in the filth column of each calendar page.
This affords a ready means of obtaining correct time and for setting a, clock by using a
noon-mark, adding or subtracting as the Sun is slow or fast.
Old-fashioned almanacs, which use ap-arent time, give the rising and setting of the
Sun's centre, and make no allowance for the oltect of refraction of the Sun's rays by the
atmosphere. The more modern and improved almanacs, which use clock-time, give the
ising and setting of the Sun's upper limb, and duly allow for refraction. The practice of
setting time-pieces by the rising or setting of the Sun or Moon is not strictly correct, as
Ihe unevenness of the Earth's surface aid intervening objects. such as hills and forests,
near the points of rising and setting, occasion a.deviation in every place from the time
expressed in the almanac, which time is adapted to a smooth, level horizon. The only
means of keeping correct time is by the use oi a noon-mark, or a meridian line.
TO ASCERTAIN THE LENGTH OF THE DAY AND NIGHT,
At any time of the year, add 12 hours to the time of the Sun's setting, and from the sum
subtract the time of rising, for the length of the day. Subtrdct the time of setting from 12
hours, and to the remainder add the time of rising next morning, for the length of the night.
COMPUTATION OF THE ALMANAC.
The computations in this Almanac are made in mean or clock-time, (due allowance be-
ing made for refraction, horizontal parallax, etc.,) for Austin, Texas; longitude, 200 451'
West from Washington : and latitude, 300 15' North.
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The Texas Almanac for 1872, and Emigrant's Guide to Texas., book, 1872~; (https://texashistory.unt.edu/ark:/67531/metapth123777/m1/15/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Texas State Historical Association.