Moonrise, Moonset, and Phase Calendar for Boulder (USA) August 2025

Day

Day of
the week

Moon
day

Moonrise

Moonset

Moonrise

Moon
Noon

Distance
(km)

Illumination

Moon
Phase

01

Fri

8

14:06

23:56

19:04

409936

49.94%

First
Quarter
06:41

02

Sat

9

15:09

19:51

409677

59.35%

03

Sun

10

00:27

16:12

20:40

407952

68.47%

04

Mon

11

01:06

17:12

21:33

404888

77.02%

05

Tue

12

01:53

18:07

22:28

400702

84.71%

06

Wed

13

02:50

18:54

23:22

395681

91.19%

07

Thu

14

03:55

19:34

390167

96.11%

08

Fri

15

05:05

20:08

00:16

384523

99.11%

09

Sat

16

06:17

20:36

01:08

379105

99.91%

Full
Moon
01:54

10

Sun

17

07:29

21:01

01:57

374228

98.31%

11

Mon

18

08:40

21:25

02:45

370132

94.26%

12

Tue

19

09:52

21:49

03:32

366975

87.86%

13

Wed

20

11:05

22:14

04:20

364823

79.42%

14

Thu

21

12:19

22:43

05:10

363672

69.38%

15

Fri

22

13:35

23:17

06:02

363471

58.31%

Third
Quarter
23:12

16

Sat

23

14:52

06:59

364153

46.82%

17

Sun

24

00:00

16:04

07:59

365655

35.57%

18

Mon

25

00:53

17:09

09:01

367930

25.14%

19

Tue

26

01:57

18:02

10:02

370939

16.07%

20

Wed

27

03:07

18:44

11:01

374634

8.79%

21

Thu

28

04:20

19:17

11:55

378939

3.61%

22

Fri

29

05:31

19:45

12:44

383728

0.69%

23

Sat

1

06:40

20:08

13:30

388817

0.08%

New
Moon
00:06

24

Sun

2

07:45

20:29

14:12

393965

1.66%

25

Mon

3

08:48

20:49

14:54

398891

5.24%

26

Tue

4

09:50

21:09

15:34

403290

10.54%

27

Wed

5

10:51

21:31

16:16

406863

17.25%

28

Thu

6

11:53

21:56

16:58

409343

25.08%

29

Fri

7

12:56

22:25

17:44

410516

33.73%

30

Sat

8

13:59

23:00

18:32

410240

42.92%

31

Sun

9

15:00

23:44

19:23

408465

52.41%

First
Quarter
00:25

All times are local time for Boulder

Moon phase details:

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Moon phases for:
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