DARKNESS OF THE NIGHTS DURING THE YEAR 1850. For Boston, New York, Philadelphia, Washington, &-c.

The number of hours at the top of the page denotes the average time for the month from the end of the evening twilight to the beginning of the morning twilight.

The dots in the table denote the hours of entire darkness, when there is neither sun, moon, nor twilight; and their disposition denotes the hours before or after midnight.

Days of Month.

Days of Week.

Sun's upper limb rises and sets (cor. for refr.) M. Time. High Water. M. Time.

27th

A.

7 M.

8 Tu.

9 W.

10 Th.

11F.

12 S.

44

21 M. 23 5 0 19

1

rises sets rises sets. rises sets. rises. sets. rises. sets.

h m. h. m. h. m. h. mh. m. h. mh. m. h. m. h. m. h. m.

1 Tu. 7 30 4 39 7 25 4 44 7 19 4 49 7 3 5

25 44 19

40 25 45 19

46 19

47 19

6 Su. 7 30 4 43 7 25 4 48 7 19 4 53 7 4 5 9 6 57 5 15

45

46

47

48

24 52

24 53

49 24 54

25 49 19

25 50

24 51 19 56

18 59

50

51

5 6 56 5 12

3

3

3

3

54

55

57

13 Su. 7 28 4 50 7 23 4 55 7 18 5 0 7 3 5 15 6 57 5 21

20 Su. 7 24 4. 59 7 20 5 3 7 15 5 8 7 15 21 6 56 5 27

3 32a

1 12a 11 32m

15

9

1 22 55 28

4 15

155

0 15a

14

10

1

23

55

29

5 6

2 46

1 6

14 11

0

24

27 Su. 7 19 5 8 7 15 5 12 7 11 5 16 6 58 5 286 53 5 33

10 482

8 28a

6 48a

9 14 13 10 17 58 29 53 34

11 40

9 20

7 40

13 14

9

18 57 30 52 35

12

15

8 19

57 31

11

17

8

20

56 32 51

885

52

Passage of the Meridian (mean time) and Declination of the Planets.

1st day.

souths. Dec.

h. m.

7th day.
souths. Dec.
h. m.
о

556 6 22

Days of Month. #JUKO+0+0

0 39a

11

O I -24 14 0 58a-22 26 1 15a19 43 1 25a-16 21 1 24a-13

im-23 12 11 10m -23 25 11 19m 10 35a26 29 10 5a26 23 9 36a

Ò 54m22 29 0 24m
6 41

13th day. souths. Dec. h. m.

19th day.
souths.
h. m.

Dec.

25th day. souths. h. m.

Dec.

24 54m+3 57|| 4 31m+ 3 57

4 7m+3 59 3 43m+4 5

4 42a- 1 6 4 202

3 18m+ 4 13

0 56 3 58a 0 42

| 639810|| 615811| 5 52 +8 12 5 29 +8 14 5 5

Moon rises or sets.

rises.

h. m. h. m.

Mean Time.

rises.

8 17

PHENOMENA AND OBSERVA

TIONS.

Sundays and Holidays.

Washington Mean Time.

h. m.

rises. h. m.

d. h. m.

O

1246m 8 39a

nearest O.

ŏ 25 24 S.

21 16 S.

4 2 1mgr. Hel.

Lat. S.

5 6 7 0 im 0 im 0 2m 0 om 0 im

6 11 30a

in 8.

S. 6 53m 1 2m 1 2m 1 1m 0 57m 0 57m Epiphany.

2d Sunday after Epiphany.

0 16m 0 16m 0 14m 0 1cm 0 1cm 21 4 0a 60.

23 5 57a stationary.
Conversion of St. Paul.

rises. rises. rises. rises. rises. 24 10 57m 6 C

5 27a Septuagesima Sunday.

86 N.

h. m. h. m.

Boston,
N. York, 5 37
Wash'n, 5 36
Charles., 5 31
N. Orl's, 5 29

5 32m 6 56a

1st day.

Twilight begins and ends. Mean Time.

7th day.

13th day.

25th day.

Begins. Ends. Begins. Ends. Begins. Ends. Begins. Ends. Begins. Ends.
h. m.
h. m.
h. m. h. m.
h. m. h. m.
5 38m 6 50a

19th day.

h. m. h. m.

5 26m 7 32

5 18m 7 10a

5 9m 7 17а

Apogee, 8th day, 10h. M.

Sun's

12th

PHASES OF THE MOON.
A.
1 20.9 M.

Perigee, 24th day, 6h. M.

First Quarter, 19th day, 3h. 3.8m.
Full Moon, 26th " 6 52.4

M.

upper limb rises and sets (cor. for refr.) M. Time. High Water. M. Time.

A.

17 Su. 6 54 5 35 6 52 5 37 6 49 5 40 6 42 5 47 6 38 5 51

1 F. 2S.

rises sets. rises. sels. rises. sets. rises. sets. rises. sets.

h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m. h. m.
7 14 5 14 7 10 5 18 7 7 5 22 6 55 5 33 6 51 5 38
13 16 10

34

3 Su. 7 12 5 17 7 9 5 20 7 5 5 24 6 54 5 35 6 49 5 39

4M. 11 18

19

976 10 2

5 Tu. 10 6 W.

9 21

4 25

6 23

3 26

&c.

7Th. 7 22
8F.
9S.

28 6 59

10 Su. 7 4 5 26 7 1 5 29 6 58 5 32 6 48 5 416 44 5 45

11 M.

27 0

24 Su. 6 44 5 44 6 42 5 46 6 40 5 48 6 34 5 53 6 32 5 56

25 M.

26 Tu. 41 46 39

27 W.
28 Th. 38 49

36

37

38

38

39

40

.53

325 56

56

57

10 26m 46 11 10

47 11 47

49

52

54

54

56 10 40

57 11 30