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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.
