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

Day

Day of
the week

Moon
day

Moonrise

Moonset

Moonrise

Moon
Noon

Distance
(km)

Illumination

Moon
Phase

01

Tue

23

12:36

06:14

373998

47.47%

02

Wed

24

00:47

12:59

06:58

379697

36.90%

03

Thu

25

01:52

13:22

07:42

385233

27.20%

04

Fri

26

02:57

13:46

08:26

390425

18.69%

05

Sat

27

04:02

14:12

09:11

395166

11.61%

06

Sun

28

05:06

14:43

09:58

399396

6.12%

07

Mon

29

06:10

15:20

10:47

403077

2.37%

08

Tue

30

07:10

16:04

11:38

406169

0.44%

09

Wed

1

08:05

16:54

12:29

408612

0.34%

10

Thu

2

08:53

17:50

13:20

410321

2.06%

11

Fri

3

09:33

18:50

14:09

411187

5.49%

12

Sat

4

10:07

19:52

14:56

411083

10.49%

13

Sun

5

10:35

20:54

15:41

409885

16.91%

14

Mon

6

11:00

21:56

16:24

407495

24.56%

15

Tue

7

11:22

22:58

17:05

403858

33.26%

16

Wed

8

11:44

17:47

398997

42.77%

17

Thu

9

00:00

12:06

18:30

393031

52.85%

18

Fri

10

01:05

12:29

19:15

386197

63.15%

19

Sat

11

02:14

12:56

20:05

378858

73.23%

20

Sun

12

03:27

13:29

21:00

371499

82.52%

21

Mon

13

04:44

14:11

22:02

364693

90.38%

22

Tue

14

06:01

15:05

23:08

359042

96.19%

23

Wed

15

07:13

16:12

355091

99.38%

24

Thu

16

08:14

17:29

00:16

353230

99.62%

25

Fri

17

09:03

18:50

01:21

353611

96.85%

26

Sat

18

09:41

20:09

02:22

356121

91.32%

27

Sun

19

10:12

21:24

03:17

360418

83.53%

28

Mon

20

10:39

22:35

04:08

366005

74.13%

29

Tue

21

11:03

23:43

04:55

372335

63.81%

30

Wed

22

11:26

05:40

378890

53.19%

31

Thu

23

00:49

11:49

06:24

385242

42.79%

All times are local time for Boulder

Moon phase details:

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