Moonrise, Moonset, and Phase Calendar for Boulder (USA) May 2026

Day

Day of
the week

Moon
day

Moonrise

Moonset

Moonrise

Moon
Noon

Distance
(km)

Illumination

Moon
Phase

01

Fri

15

05:35

20:25

00:32

402000

99.80%

02

Sat

16

06:04

21:28

01:18

403477

99.27%

03

Sun

17

06:39

22:28

02:05

404375

96.94%

04

Mon

18

07:20

23:25

02:55

404591

92.93%

05

Tue

19

08:08

03:47

404009

87.40%

06

Wed

20

00:14

09:04

04:38

402518

80.55%

07

Thu

21

00:56

10:04

05:28

400040

72.58%

08

Fri

22

01:32

11:08

06:17

396546

63.67%

09

Sat

23

02:02

12:13

07:03

392087

54.07%

10

Sun

24

02:28

13:18

07:49

386810

44.02%

11

Mon

25

02:52

14:25

08:33

380970

33.88%

12

Tue

26

03:14

15:33

09:18

374931

24.09%

13

Wed

27

03:38

16:44

10:05

369151

15.21%

14

Thu

28

04:03

17:59

10:54

364136

7.90%

15

Fri

29

04:33

19:19

11:49

360379

2.77%

16

Sat

30

05:10

20:40

12:49

358280

0.34%

17

Sun

1

05:56

21:58

13:54

358068

0.90%

18

Mon

2

06:54

23:07

15:01

359751

4.46%

19

Tue

3

08:04

16:07

363123

10.73%

20

Wed

4

00:02

09:20

17:08

367806

19.16%

21

Thu

5

00:45

10:36

18:04

373328

29.08%

22

Fri

6

01:19

11:49

18:54

379209

39.78%

23

Sat

7

01:47

12:59

19:40

385019

50.63%

24

Sun

8

02:10

14:04

20:24

390421

61.10%

25

Mon

9

02:32

15:08

21:05

395179

70.78%

26

Tue

10

02:53

16:11

21:47

399160

79.38%

27

Wed

11

03:15

17:13

22:30

402307

86.67%

28

Thu

12

03:39

18:16

23:15

404623

92.48%

29

Fri

13

04:07

19:19

406141

96.67%

30

Sat

14

04:39

20:21

00:02

406904

99.13%

31

Sun

15

05:18

21:19

00:51

406945

99.80%

All times are local time for Boulder

Moon phase details:

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>> Lunar(Moon) day for today

Moon phases for:
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