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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 18:25TE 21:30MR 6: 4TS 7:50SR 10:19MS 3: 4VT
1- 2 16:38SS 18:25TE 22:34MR 6: 4TS 7:50SR 10:45MS 4: 8VT
1- 3 16:40SS 18:25TE 23:43MR 6: 4TS 7:49SR 11:13MS 5:17VT
1- 4 16:40SS 18:27TE 0:52MR 6: 4TS 7:49SR 11:43MS 6:24VT
1- 5 16:42SS 18:28TE 2: 4MR 6: 4TS 7:49SR 7:35VT
1- 6 12:19MS 16:43SS 18:28TE 3:16MR 6: 4TS 7:49SR 8:47VT
1- 7 13: 1MS 16:43SS 18:30TE 4:28MR 6: 3TS 7:49SR 9:58VT
1- 8 13:52MS 16:45SS 18:31TE 5:34MR 6: 3TS 7:49SR 11: 3VT
1- 9 14:52MS 16:46SS 18:31TE 6: 3TS 6:34MR 7:49SR 11:31VT
1-10 16: 2MS 16:46SS 18:32TE 6: 3TS 7:24MR 7:49SR 11:30VT
1-11 16:49SS 17:16MS 18:34TE 6: 1TS 7:48SR 8: 6MR 11:27VT
1-12 16:49SS 18:32MS 18:36TE 6: 1TS 7:48SR 8:41MR 11:25VT
1-13 16:51SS 18:37TE 19:46MS 6: 1TS 7:46SR 9:11MR 10:15VT
1-14 16:52SS 18:37TE 20:58MS 6: 1TS 7:46SR 9:40MR 9: 2VT
1-15 16:53SS 18:38TE 22: 7MS 6: 1TS 7:46SR 10: 7MR 7:53VT
1-16 16:55SS 18:40TE 23:13MS 6: 0TS 7:45SR 10:33MR 6:46VT
1-17 16:55SS 18:40TE 0:16MS 6: 0TS 7:45SR 11: 1MR 5:43VT
1-18 16:58SS 18:42TE 1:19MS 5:58TS 7:43SR 11:31MR 4:39VT
1-19 16:58SS 18:43TE 2:19MS 5:58TS 7:43SR 3:39VT
1-20 12: 6MR 17: 0SS 18:45TE 3:16MS 5:58TS 7:41SR 2:42VT
1-21 12:43MR 17: 1SS 18:46TE 4:10MS 5:56TS 7:40SR 1:46VT
1-22 13:28MR 17: 2SS 18:46TE 4:58MS 5:55TS 7:40SR 0:56VT
1-23 14:18MR 17: 4SS 18:47TE 5:43MS 5:55TS 7:40SR 0:12VT
1-24 15:11MR 17: 6SS 18:49TE 5:55TS 6:22MS 7:39SR 0: 0VT
1-25 16:10MR 17: 7SS 18:51TE 5:54TS 6:58MS 7:37SR 0: 0VT
1-26 17: 8SS 17:13MR 18:52TE 5:52TS 7:28MS 7:37SR 0: 0VT
1-27 17:10SS 18:16MR 18:53TE 5:52TS 7:34SR 7:56MS 0: 0VT
1-28 17:12SS 18:55TE 19:21MR 5:50TS 7:34SR 8:23MS 0:25VT
1-29 17:13SS 18:55TE 20:28MR 5:49TS 7:33SR 8:51MS 1:32VT
1-30 17:13SS 18:57TE 21:34MR 5:49TS 7:31SR 9:18MS 2:37VT
1-31 17:16SS 18:58TE 22:43MR 5:48TS 7:31SR 9:48MS 3:44VT
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 23:52MR 5:46TS 7:30SR 10:21MS 4:52VT
2- 2 17:19SS 19: 1TE 1: 2MR 5:46TS 7:28SR 10:58MS 6: 1VT
2- 3 17:19SS 19: 2TE 2:13MR 5:45TS 7:26SR 11:45MS 7:10VT
2- 4 17:22SS 19: 4TE 3:19MR 5:43TS 7:25SR 8:14VT
2- 5 12:40MS 17:22SS 19: 4TE 4:19MR 5:43TS 7:25SR 9:15VT
2- 6 13:43MS 17:25SS 19: 7TE 5:11MR 5:40TS 7:22SR 10: 4VT
2- 7 14:52MS 17:25SS 19: 7TE 5:40TS 5:56MR 7:22SR 10:32VT
2- 8 16: 6MS 17:28SS 19: 8TE 5:39TS 6:35MR 7:19SR 10:30VT
2- 9 17:21MS 17:28SS 19:10TE 5:37TS 7: 9MR 7:19SR 10:27VT
2-10 17:31SS 18:34MS 19:12TE 5:35TS 7:18SR 7:39MR 10:23VT
2-11 17:31SS 19:13TE 19:45MS 5:34TS 7:16SR 8: 7MR 9:49VT
2-12 17:32SS 19:15TE 20:52MS 5:33TS 7:15SR 8:33MR 8:40VT
2-13 17:34SS 19:16TE 22: 0MS 5:31TS 7:13SR 9: 2MR 7:31VT
2-14 17:36SS 19:17TE 23: 4MS 5:31TS 7:10SR 9:32MR 6:26VT
2-15 17:37SS 19:19TE 0: 6MS 5:28TS 7:10SR 10: 4MR 5:22VT
2-16 17:38SS 19:19TE 1: 4MS 5:28TS 7: 7SR 10:41MR 4:23VT
2-17 17:40SS 19:22TE 2: 0MS 5:25TS 7: 7SR 11:23MR 3:25VT
2-18 17:42SS 19:22TE 2:50MS 5:25TS 7: 4SR 2:34VT
2-19 12:10MR 17:43SS 19:23TE 3:37MS 5:22TS 7: 3SR 1:45VT
2-20 13: 3MR 17:45SS 19:25TE 4:19MS 5:20TS 7: 1SR 1: 1VT
2-21 14: 0MR 17:46SS 19:27TE 4:55MS 5:19TS 7: 0SR 0:24VT
2-22 15: 0MR 17:47SS 19:28TE 5:18TS 5:28MS 6:58SR 0: 0VT
2-23 16: 2MR 17:49SS 19:30TE 5:16TS 5:58MS 6:56SR 0: 0VT
2-24 17: 7MR 17:51SS 19:31TE 5:15TS 6:26MS 6:55SR 0: 0VT
2-25 17:52SS 18:15MR 19:31TE 5:13TS 6:52SR 6:54MS 0: 0VT
2-26 17:53SS 19:22MR 19:34TE 5:10TS 6:50SR 7:22MS 0: 0VT
2-27 17:55SS 19:34TE 20:32MR 5:10TS 6:49SR 7:52MS 0:58VT
2-28 17:55SS 19:37TE 21:43MR 5: 7TS 6:48SR 8:23MS 2: 5VT
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 17:58SS 19:37TE 22:53MR 5: 5TS 6:46SR 9: 0MS 3:16VT
3- 2 17:58SS 19:38TE 0: 4MR 5: 4TS 6:43SR 9:45MS 4:25VT
3- 3 18: 0SS 19:40TE 1:10MR 5: 1TS 6:43SR 10:36MS 5:30VT
3- 4 18: 1SS 19:42TE 2:12MR 5: 1TS 6:40SR 11:34MS 6:29VT
3- 5 18: 2SS 19:43TE 3: 5MR 4:58TS 6:39SR 7:22VT
3- 6 12:40MS 18: 4SS 19:45TE 3:52MR 4:56TS 6:37SR 8: 7VT
3- 7 13:49MS 18: 6SS 19:46TE 4:31MR 4:55TS 6:34SR 8:45VT
3- 8 15: 1MS 18: 7SS 19:47TE 4:52TS 5: 7MR 6:33SR 9: 5VT
3- 9 16:13MS 18: 8SS 19:49TE 4:50TS 5:37MR 6:31SR 9: 1VT
3-10 17:23MS 18:10SS 19:51TE 4:49TS 6: 5MR 6:30SR 8:58VT
3-11 18:10SS 18:32MS 19:52TE 4:46TS 6:28SR 6:34MR 8:54VT
3-12 18:13SS 19:40MS 19:52TE 4:45TS 6:25SR 7: 1MR 8:52VT
3-13 18:13SS 19:55TE 20:46MS 4:43TS 6:24SR 7:31MR 7:56VT
3-14 18:15SS 19:55TE 21:49MS 4:40TS 6:22SR 8: 3MR 6:51VT
3-15 18:16SS 19:58TE 22:51MS 4:39TS 6:19SR 8:40MR 5:47VT
3-16 18:17SS 19:58TE 23:49MS 4:37TS 6:18SR 9:19MR 4:47VT
3-17 18:19SS 20: 0TE 0:42MS 4:34TS 6:16SR 10: 4MR 3:52VT
3-18 18:21SS 20: 1TE 1:30MS 4:33TS 6:15SR 10:53MR 3: 3VT
3-19 18:22SS 20: 2TE 2:13MS 4:31TS 6:13SR 11:48MR 2:17VT
3-20 18:22SS 20: 4TE 2:52MS 4:28TS 6:10SR 1:36VT
3-21 12:46MR 18:25SS 20: 6TE 3:25MS 4:26TS 6: 9SR 1: 1VT
3-22 13:48MR 18:25SS 20: 7TE 3:57MS 4:25TS 6: 7SR 0:28VT
3-23 16: 1MR 18:27SS 20: 8TE 4:22TS 4:25MS 6: 4SR 0: 0VT
3-24 16:32MR 18:28SS 20:10TE 4:20TS 4:54MS 6: 3SR 0: 0VT
3-25 17: 4MR 18:30SS 20:12TE 4:19TS 5:22MS 6: 1SR 0: 0VT
3-26 18:15MR 18:31SS 20:13TE 4:16TS 5:50MS 5:58SR 0: 0VT
3-27 18:31SS 19:27MR 20:15TE 4:15TS 5:56SR 6:24MS 0: 0VT
3-28 18:34SS 20:16TE 20:38MR 4:13TS 5:55SR 7: 0MS 0:22VT
3-29 18:34SS 20:17TE 21:52MR 4:10TS 5:54SR 7:43MS 1:34VT
3-30 18:36SS 20:19TE 23: 1MR 4: 7TS 5:52SR 8:33MS 2:42VT
3-31 18:37SS 20:21TE 0: 6MR 4: 5TS 5:49SR 9:30MS 3:44VT
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 15:58MS 16:57SS 18:37TE 5:10TS 5:54MR 6:52SR 10:32VT
11- 2 16:31MS 16:55SS 18:37TE 5:10TS 6:52SR 7: 4MR 10:33VT
11- 3 16:53SS 17:12MS 18:36TE 5:11TS 6:55SR 8:15MR 10:35VT
11- 4 16:52SS 17:58MS 18:34TE 5:13TS 6:55SR 9:22MR 10:39VT
11- 5 16:51SS 18:32TE 18:55MS 5:15TS 6:56SR 10:22MR 10:19VT
11- 6 16:49SS 18:31TE 19:57MS 5:16TS 6:58SR 11:15MR 9:18VT
11- 7 16:49SS 18:31TE 21: 4MS 5:18TS 7: 0SR 8:13VT
11- 8 12: 0MR 16:46SS 18:30TE 22:16MS 5:19TS 7: 1SR 7: 2VT
11- 9 12:38MR 16:46SS 18:28TE 23:28MS 5:19TS 7: 3SR 5:51VT
11-10 13:11MR 16:45SS 18:28TE 0:38MS 5:20TS 7: 4SR 4:43VT
11-11 13:43MR 16:43SS 18:27TE 1:46MS 5:22TS 7: 5SR 3:36VT
11-12 14:13MR 16:43SS 18:25TE 2:55MS 5:24TS 7: 7SR 2:28VT
11-13 14:41MR 16:42SS 18:25TE 4: 1MS 5:25TS 7: 9SR 1:23VT
11-14 15:11MR 16:40SS 18:23TE 5: 7MS 5:25TS 7:10SR 0:18VT
11-15 15:45MR 16:38SS 18:22TE 5:26TS 6:10MS 7:10SR 0: 0VT
11-16 16:19MR 16:37SS 18:22TE 5:28TS 7:11MS 7:13SR 0: 0VT
11-17 16:37SS 16:58MR 18:21TE 5:30TS 7:13SR 8: 7MS 0: 0VT
11-18 16:37SS 17:43MR 18:21TE 5:31TS 7:15SR 9: 0MS 0: 0VT
11-19 16:36SS 18:19TE 18:31MR 5:31TS 7:16SR 9:45MS 0:11VT
11-20 16:34SS 18:19TE 19:22MR 5:33TS 7:18SR 10:26MS 1: 3VT
11-21 16:34SS 18:19TE 20:17MR 5:34TS 7:19SR 11: 3MS 1:58VT
11-22 16:32SS 18:17TE 21:15MR 5:35TS 7:20SR 11:34MS 2:57VT
11-23 16:31SS 18:16TE 22:13MR 5:37TS 7:22SR 3:56VT
11-24 12: 4MS 16:31SS 18:16TE 23:13MR 5:37TS 7:22SR 4:56VT
11-25 12:31MS 16:31SS 18:16TE 0:15MR 5:39TS 7:24SR 5:58VT
11-26 12:56MS 16:31SS 18:16TE 1:17MR 5:40TS 7:25SR 7: 1VT
11-27 13:23MS 16:30SS 18:15TE 2:22MR 5:40TS 7:26SR 8: 7VT
11-28 13:52MS 16:28SS 18:15TE 3:30MR 5:41TS 7:28SR 9:15VT
11-29 14:25MS 16:28SS 18:15TE 4:40MR 5:43TS 7:28SR 10:25VT
11-30 15: 1MS 16:28SS 18:13TE 5:43TS 5:50MR 7:31SR 11:30VT
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 15:49MS 16:28SS 18:13TE 5:45TS 7: 1MR 7:31SR 11:31VT
12- 2 16:28SS 16:37MS 18:13TE 5:46TS 7:33SR 8: 7MR 11:32VT
12- 3 16:27SS 17:38MS 18:13TE 5:46TS 7:34SR 9: 4MR 11:33VT
12- 4 16:27SS 18:13TE 18:47MS 5:48TS 7:34SR 9:56MR 11: 0VT
12- 5 16:27SS 18:13TE 20: 1MS 5:49TS 7:35SR 10:37MR 9:47VT
12- 6 16:27SS 18:13TE 21:15MS 5:49TS 7:37SR 11:15MR 8:34VT
12- 7 16:27SS 18:13TE 22:28MS 5:50TS 7:37SR 11:46MR 7:22VT
12- 8 16:27SS 18:13TE 23:38MS 5:52TS 7:39SR 6:13VT
12- 9 12:16MR 16:25SS 18:13TE 0:47MS 5:52TS 7:40SR 5: 5VT
12-10 12:46MR 16:27SS 18:13TE 1:54MS 5:54TS 7:40SR 4: 0VT
12-11 13:16MR 16:27SS 18:13TE 2:58MS 5:54TS 7:41SR 2:55VT
12-12 13:46MR 16:27SS 18:13TE 4: 3MS 5:55TS 7:41SR 1:52VT
12-13 14:19MR 16:27SS 18:13TE 5: 4MS 5:55TS 7:43SR 0:51VT
12-14 14:56MR 16:27SS 18:13TE 5:56TS 6: 1MS 7:43SR 0: 0VT
12-15 15:40MR 16:27SS 18:13TE 5:56TS 6:55MS 7:45SR 0: 0VT
12-16 16:25MR 16:27SS 18:15TE 5:58TS 7:43MS 7:45SR 0: 0VT
12-17 16:28SS 17:16MR 18:15TE 5:58TS 7:46SR 8:26MS 0: 0VT
12-18 16:28SS 18:10MR 18:16TE 5:58TS 7:46SR 9: 3MS 0: 0VT
12-19 16:28SS 18:16TE 19: 7MR 6: 0TS 7:46SR 9:37MS 0:51VT
12-20 16:28SS 18:16TE 20: 4MR 6: 0TS 7:48SR 10: 7MS 1:48VT
12-21 16:28SS 18:16TE 21: 4MR 6: 1TS 7:48SR 10:34MS 2:47VT
12-22 16:30SS 18:16TE 22: 4MR 6: 1TS 7:49SR 11: 1MS 3:47VT
12-23 16:31SS 18:17TE 23: 4MR 6: 1TS 7:49SR 11:26MS 4:46VT
12-24 16:31SS 18:19TE 0: 7MR 6: 1TS 7:49SR 11:53MS 5:47VT
12-25 16:31SS 18:19TE 1:10MR 6: 1TS 7:49SR 6:51VT
12-26 12:22MS 16:32SS 18:19TE 2:16MR 6: 3TS 7:49SR 7:57VT
12-27 12:55MS 16:32SS 18:21TE 3:25MR 6: 3TS 7:49SR 9: 4VT
12-28 13:34MS 16:34SS 18:21TE 4:34MR 6: 3TS 7:49SR 10:13VT
12-29 14:21MS 16:34SS 18:22TE 5:43MR 6: 3TS 7:49SR 11:20VT
12-30 15:16MS 16:36SS 18:22TE 6: 3TS 6:46MR 7:50SR 11:40VT
12-31 16:22MS 16:37SS 18:23TE 6: 4TS 7:41MR 7:50SR 11:40VT
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.
