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DARK SKY INDEX - New

2014 Dark Sky Observing Time PST

The dark sky table shows the Pacific Standard Time (PST) times for sunset, astronomical twilight ends, astronomical twilight starts, sunrise, moonrise, moonset and total moon-free, twilight-free viewing time for Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees). Moon-free, twilight-free viewing time is the best time to observer deep sky objects because the moon light and twilight will not interfere with observing these faint objects.

DARKSKY- Dave Heider 3/92   Site-Portland
Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees)
Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time
 1- 1          16:37SS 17:34MS 18:23TE          6: 4TS          7:50SR  8:30MR 11:40VT 
 1- 2          16:37SS         18:25TE 18:49MS  6: 4TS          7:50SR  9:11MR 11:14VT 
 1- 3          16:38SS         18:25TE 20: 7MS  6: 4TS          7:49SR  9:47MR  9:56VT 
 1- 4          16:40SS         18:27TE 21:22MS  6: 4TS          7:49SR 10:19MR  8:41VT 
 1- 5          16:40SS         18:28TE 22:34MS  6: 4TS          7:49SR 10:49MR  7:29VT 
 1- 6          16:43SS         18:28TE 23:43MS  6: 4TS          7:49SR 11:19MR  6:20VT 
 1- 7          16:43SS         18:30TE  0:51MS  6: 3TS          7:49SR 11:49MR  5:12VT 
 1- 8          16:45SS         18:31TE  1:55MS  6: 3TS          7:49SR          4: 7VT 
 1- 9  12:22MR 16:46SS         18:31TE  2:57MS  6: 3TS          7:49SR          3: 6VT 
 1-10  12:58MR 16:46SS         18:32TE  3:55MS  6: 3TS          7:49SR          2: 7VT 
 1-11  13:38MR 16:47SS         18:34TE  4:49MS  6: 1TS          7:48SR          1:11VT 
 1-12  14:22MR 16:49SS         18:34TE  5:40MS  6: 1TS          7:48SR          0:21VT 
 1-13  15:11MR 16:51SS         18:36TE          6: 1TS  6:25MS  7:46SR          0: 0VT 
 1-14  16: 4MR 16:52SS         18:37TE          6: 1TS  7: 4MS  7:46SR          0: 0VT 
 1-15          16:52SS 17: 0MR 18:38TE          6: 1TS  7:39MS  7:46SR          0: 0VT 
 1-16          16:55SS 17:57MR 18:40TE          6: 0TS          7:45SR  8:10MS  0: 0VT 
 1-17          16:55SS         18:40TE 18:55MR  6: 0TS          7:45SR  8:38MS  0:15VT 
 1-18          16:57SS         18:42TE 19:55MR  5:58TS          7:43SR  9: 6MS  1:13VT 
 1-19          16:58SS         18:43TE 20:55MR  5:58TS          7:43SR  9:32MS  2:12VT 
 1-20          17: 0SS         18:43TE 21:57MR  5:58TS          7:41SR  9:57MS  3:13VT 
 1-21          17: 1SS         18:46TE 23: 0MR  5:56TS          7:41SR 10:25MS  4:13VT 
 1-22          17: 2SS         18:46TE  0: 3MR  5:56TS          7:40SR 10:55MS  5:16VT 
 1-23          17: 4SS         18:47TE  1: 8MR  5:55TS          7:40SR 11:31MS  6:21VT 
 1-24          17: 4SS         18:49TE  2:15MR  5:55TS          7:39SR          7:25VT 
 1-25  12:11MS 17: 7SS         18:51TE  3:22MR  5:54TS          7:37SR          8:30VT 
 1-26  13: 1MS 17: 7SS         18:52TE  4:25MR  5:52TS          7:37SR          9:33VT 
 1-27  13:58MS 17:10SS         18:52TE  5:24MR  5:52TS          7:35SR         10:31VT 
 1-28  15: 6MS 17:10SS         18:55TE          5:52TS  6:16MR  7:34SR         10:56VT 
 1-29  16:19MS 17:13SS         18:55TE          5:50TS  7: 1MR  7:34SR         10:55VT 
 1-30          17:13SS 17:36MS 18:57TE          5:49TS          7:31SR  7:40MR 10:52VT 
 1-31          17:16SS 18:53MS 18:58TE          5:49TS          7:31SR  8:15MR 10:50VT 

Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees)
Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time
 2- 1          17:16SS         19: 0TE 20:10MS  5:48TS          7:30SR  8:48MR  9:37VT 
 2- 2          17:17SS         19: 1TE 21:23MS  5:46TS          7:28SR  9:19MR  8:22VT 
 2- 3          17:19SS         19: 1TE 22:34MS  5:45TS          7:28SR  9:51MR  7:10VT 
 2- 4          17:21SS         19: 4TE 23:42MS  5:43TS          7:25SR 10:23MR  6: 1VT 
 2- 5          17:22SS         19: 4TE  0:47MS  5:43TS          7:25SR 11: 0MR  4:56VT 
 2- 6          17:23SS         19: 6TE  1:47MS  5:41TS          7:24SR 11:38MR  3:53VT 
 2- 7          17:25SS         19: 7TE  2:43MS  5:40TS          7:22SR          2:56VT 
 2- 8  12:21MR 17:27SS         19: 8TE  3:35MS  5:39TS          7:20SR          2: 3VT 
 2- 9  13: 7MR 17:28SS         19:10TE  4:22MS  5:37TS          7:19SR          1:15VT 
 2-10  13:58MR 17:30SS         19:12TE  5: 3MS  5:37TS          7:18SR          0:33VT 
 2-11  14:53MR 17:31SS         19:13TE          5:34TS  5:40MS  7:16SR          0: 0VT 
 2-12  15:51MR 17:32SS         19:13TE          5:34TS  6:13MS  7:15SR          0: 0VT 
 2-13  16:49MR 17:34SS         19:16TE          5:31TS  6:43MS  7:13SR          0: 0VT 
 2-14          17:36SS 17:49MR 19:16TE          5:31TS  7:10MS  7:11SR          0: 0VT 
 2-15          17:37SS 18:49MR 19:19TE          5:28TS          7:10SR  7:37MS  0: 0VT 
 2-16          17:38SS         19:19TE 19:49MR  5:28TS          7: 9SR  8: 3MS  0:30VT 
 2-17          17:40SS         19:21TE 20:52MR  5:25TS          7: 7SR  8:30MS  1:31VT 
 2-18          17:42SS         19:22TE 21:55MR  5:25TS          7: 4SR  9: 0MS  2:32VT 
 2-19          17:43SS         19:23TE 23: 0MR  5:22TS          7: 4SR  9:33MS  3:36VT 
 2-20          17:45SS         19:25TE  0: 4MR  5:22TS          7: 1SR 10:10MS  4:38VT 
 2-21          17:46SS         19:27TE  1: 8MR  5:19TS          7: 0SR 10:55MS  5:41VT 
 2-22          17:47SS         19:28TE  2:12MR  5:19TS          6:58SR 11:46MS  6:43VT 
 2-23          17:49SS         19:28TE  3:10MR  5:16TS          6:56SR          7:41VT 
 2-24  12:48MS 17:49SS         19:31TE  4: 4MR  5:15TS          6:55SR          8:32VT 
 2-25  13:55MS 17:52SS         19:31TE  4:50MR  5:13TS          6:54SR          9:19VT 
 2-26  15: 7MS 17:52SS         19:34TE          5:11TS  5:31MR  6:52SR          9:37VT 
 2-27  16:25MS 17:55SS         19:34TE          5:10TS  6:10MR  6:49SR          9:35VT 
 2-28  17:40MS 17:55SS         19:36TE          5: 7TS  6:43MR  6:48SR          9:31VT 

Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees)
Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time
 3- 1          17:57SS 18:57MS 19:37TE          5: 7TS          6:46SR  7:16MR  9:29VT 
 3- 2          17:58SS         19:38TE 20:10MS  5: 4TS          6:45SR  7:49MR  8:54VT 
 3- 3          18: 0SS         19:40TE 21:21MS  5: 3TS          6:43SR  8:22MR  7:41VT 
 3- 4          18: 1SS         19:42TE 22:28MS  5: 1TS          6:40SR  8:56MR  6:32VT 
 3- 5          18: 2SS         19:43TE 23:34MS  4:58TS          6:39SR  9:36MR  5:24VT 
 3- 6          18: 4SS         19:45TE  0:33MS  4:56TS          6:37SR 10:18MR  4:23VT 
 3- 7          18: 6SS         19:46TE  1:28MS  4:55TS          6:35SR 11: 4MR  3:26VT 
 3- 8          18: 7SS         19:46TE  2:16MS  4:54TS          6:34SR 11:53MR  2:37VT 
 3- 9          18: 7SS         19:49TE  3: 0MS  4:52TS          6:31SR          1:52VT 
 3-10  12:46MR 18:10SS         19:49TE  3:39MS  4:49TS          6:30SR          1:10VT 
 3-11  13:43MR 18:10SS         19:52TE  4:13MS  4:48TS          6:28SR          0:34VT 
 3-12  14:40MR 18:12SS         19:52TE  4:43MS  4:46TS          6:25SR          0: 2VT 
 3-13  15:40MR 18:13SS         19:53TE          4:43TS  5:13MS  6:24SR          0: 0VT 
 3-14  16:40MR 18:15SS         19:55TE          4:41TS  5:40MS  6:22SR          0: 0VT 
 3-15  17:40MR 18:16SS         19:57TE          4:40TS  6: 7MS  6:20SR          0: 0VT 
 3-16          18:17SS 18:43MR 19:58TE          4:37TS          6:19SR  6:34MS  0: 0VT 
 3-17          18:19SS 19:46MR 20: 0TE          4:35TS          6:16SR  7: 4MS  0: 0VT 
 3-18          18:19SS         20: 1TE 20:52MR  4:34TS          6:15SR  7:35MS  0:50VT 
 3-19          18:22SS         20: 2TE 21:57MR  4:31TS          6:13SR  8:12MS  1:54VT 
 3-20          18:22SS         20: 4TE 23: 1MR  4:30TS          6:10SR  8:55MS  2:57VT 
 3-21          18:23SS         20: 6TE  0: 5MR  4:28TS          6: 9SR  9:44MS  3:58VT 
 3-22          18:25SS         20: 7TE  1: 4MR  4:25TS          6: 7SR 10:40MS  4:56VT 
 3-23          18:27SS         20: 8TE  1:57MR  4:24TS          6: 4SR 11:43MS  5:48VT 
 3-24          18:28SS         20:10TE  2:45MR  4:22TS          6: 4SR          6:34VT 
 3-25  12:52MS 18:28SS         20:12TE  3:27MR  4:19TS          6: 1SR          7:14VT 
 3-26  14: 4MS 18:31SS         20:13TE  4: 4MR  4:16TS          6: 0SR          7:51VT 
 3-27  15:18MS 18:31SS         20:15TE          4:15TS  4:39MR  5:58SR          8: 0VT 
 3-28  16:31MS 18:32SS         20:16TE          4:13TS  5:11MR  5:55SR          7:56VT 
 3-29  17:45MS 18:34SS         20:17TE          4:10TS  5:43MR  5:54SR          7:53VT 
 3-30          18:36SS 18:57MS 20:19TE          4: 9TS          5:52SR  6:16MR  7:49VT 
 3-31          18:37SS 20: 7MS 20:21TE          4: 7TS          5:49SR  6:52MR  7:45VT 

Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees)
Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time
11- 1  14:10MR 16:57SS         18:38TE  1:46MS  5:10TS          6:50SR          3:24VT 
11- 2  14:43MR 16:55SS         18:37TE  2:58MS  5:10TS          6:52SR          2:11VT 
11- 3  15:16MR 16:53SS         18:36TE  4:10MS  5:11TS          6:54SR          1: 1VT 
11- 4  15:50MR 16:52SS         18:34TE          5:13TS  5:22MS  6:55SR          0: 0VT 
11- 5  16:25MR 16:51SS         18:34TE          5:15TS  6:34MS  6:56SR          0: 0VT 
11- 6          16:49SS 17: 2MR 18:31TE          5:16TS          6:58SR  7:40MS  0: 0VT 
11- 7          16:49SS 17:46MR 18:31TE          5:16TS          7: 0SR  8:44MS  0: 0VT 
11- 8          16:47SS         18:30TE 18:31MR  5:18TS          7: 1SR  9:41MS  0: 1VT 
11- 9          16:46SS         18:28TE 19:22MR  5:19TS          7: 3SR 10:31MS  0:53VT 
11-10          16:45SS         18:28TE 20:16MR  5:20TS          7: 4SR 11:15MS  1:48VT 
11-11          16:43SS         18:27TE 21:13MR  5:22TS          7: 4SR 11:52MS  2:46VT 
11-12          16:43SS         18:25TE 22:10MR  5:22TS          7: 7SR          3:45VT 
11-13  12:25MS 16:42SS         18:25TE 23: 8MR  5:25TS          7: 7SR          4:43VT 
11-14  12:55MS 16:40SS         18:23TE  0: 7MR  5:25TS          7:10SR          5:43VT 
11-15  13:23MS 16:40SS         18:22TE  1: 6MR  5:26TS          7:10SR          6:43VT 
11-16  13:49MS 16:38SS         18:22TE  2: 4MR  5:28TS          7:11SR          7:42VT 
11-17  14:16MS 16:37SS         18:22TE  3: 4MR  5:30TS          7:13SR          8:42VT 
11-18  14:45MS 16:37SS         18:21TE  4: 7MR  5:31TS          7:15SR          9:45VT 
11-19  15:15MS 16:36SS         18:19TE  5:10MR  5:31TS          7:16SR         10:51VT 
11-20  15:50MS 16:34SS         18:19TE          5:33TS  6:15MR  7:18SR         11:13VT 
11-21  16:25MS 16:34SS         18:19TE          5:34TS          7:19SR  7:19MR 11:14VT 
11-22          16:32SS 17:10MS 18:17TE          5:34TS          7:19SR  8:21MR 11:17VT 
11-23          16:32SS 18: 1MS 18:17TE          5:37TS          7:22SR  9:18MR 11:19VT 
11-24          16:31SS         18:16TE 19: 1MS  5:37TS          7:22SR 10:10MR 10:36VT 
11-25          16:31SS         18:16TE 20: 6MS  5:39TS          7:24SR 10:56MR  9:32VT 
11-26          16:31SS         18:16TE 21:13MS  5:40TS          7:25SR 11:37MR  8:26VT 
11-27          16:30SS         18:16TE 22:25MS  5:40TS          7:26SR          7:15VT 
11-28  12:13MR 16:30SS         18:15TE 23:36MS  5:41TS          7:28SR          6: 5VT 
11-29  12:46MR 16:28SS         18:15TE  0:48MS  5:43TS          7:28SR          4:55VT 
11-30  13:19MR 16:28SS         18:13TE  1:58MS  5:43TS          7:30SR          3:45VT 

Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees)
Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time
12- 1  13:49MR 16:28SS         18:13TE  3: 9MS  5:45TS          7:31SR          2:35VT 
12- 2  14:23MR 16:28SS         18:13TE  4:18MS  5:46TS          7:33SR          1:28VT 
12- 3  14:58MR 16:28SS         18:13TE  5:25MS  5:46TS          7:34SR          0:21VT 
12- 4  15:40MR 16:27SS         18:13TE          5:48TS  6:28MS  7:34SR          0: 0VT 
12- 5  16:22MR 16:27SS         18:13TE          5:49TS  7:28MS  7:35SR          0: 0VT 
12- 6          16:27SS 17:10MR 18:13TE          5:49TS          7:37SR  8:22MS  0: 0VT 
12- 7          16:27SS 18: 4MR 18:13TE          5:50TS          7:37SR  9: 8MS  0: 0VT 
12- 8          16:27SS         18:13TE 19: 0MR  5:52TS          7:39SR  9:49MS  0:46VT 
12- 9          16:25SS         18:13TE 19:57MR  5:52TS          7:40SR 10:25MS  1:43VT 
12-10          16:25SS         18:13TE 20:55MR  5:52TS          7:40SR 10:56MS  2:42VT 
12-11          16:27SS         18:13TE 21:53MR  5:54TS          7:40SR 11:25MS  3:40VT 
12-12          16:27SS         18:13TE 22:52MR  5:55TS          7:41SR 11:52MS  4:38VT 
12-13          16:27SS         18:13TE 23:52MR  5:55TS          7:43SR          5:38VT 
12-14  12:19MS 16:27SS         18:13TE  0:51MR  5:55TS          7:43SR          6:37VT 
12-15  12:46MS 16:27SS         18:13TE  1:51MR  5:56TS          7:43SR          7:37VT 
12-16  13:13MS 16:27SS         18:15TE  2:52MR  5:58TS          7:45SR          8:37VT 
12-17  13:45MS 16:28SS         18:15TE  3:55MR  5:58TS          7:46SR          9:40VT 
12-18  14:19MS 16:28SS         18:15TE  5: 1MR  5:58TS          7:46SR         10:45VT 
12-19  15: 1MS 16:28SS         18:16TE          6: 0TS  6: 4MR  7:46SR         11:43VT 
12-20  15:53MS 16:28SS         18:16TE          6: 0TS  7: 5MR  7:48SR         11:43VT 
12-21          16:28SS 16:46MS 18:16TE          6: 1TS          7:48SR  8: 2MR 11:44VT 
12-22          16:30SS 17:49MS 18:16TE          6: 1TS          7:48SR  8:52MR 11:44VT 
12-23          16:30SS         18:17TE 18:58MS  6: 1TS          7:49SR  9:37MR 11: 2VT 
12-24          16:31SS         18:17TE 20:12MS  6: 1TS          7:49SR 10:15MR  9:49VT 
12-25          16:31SS         18:19TE 21:25MS  6: 1TS          7:49SR 10:49MR  8:36VT 
12-26          16:31SS         18:19TE 22:37MS  6: 3TS          7:49SR 11:22MR  7:25VT 
12-27          16:32SS         18:19TE 23:49MS  6: 3TS          7:49SR 11:55MR  6:13VT 
12-28          16:34SS         18:21TE  1: 0MS  6: 3TS          7:49SR          5: 3VT 
12-29  12:26MR 16:34SS         18:22TE  2: 7MS  6: 3TS          7:49SR          3:55VT 
12-30  13: 1MR 16:34SS         18:22TE  3:15MS  6: 3TS          7:50SR          2:48VT 
12-31  13:37MR 16:36SS         18:22TE  4:19MS  6: 4TS          7:50SR          1:45VT 

This Dark Sky table may print better in landscape orientation. Also, when printing using Netscape check the Black Text option in the File menu, Page Setup... menu in order to print the white text. This Dark Sky table was created by Dave Heider's Dark Sky DOS program. Download the Dark Sky DOS program to create your own unique Dark Sky tables for your location and time of observing.