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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 14:19MR 16:37SS 18:23TE 5:19MS 6: 4TS 7:50SR 0:44VT
1- 2 15: 4MR 16:37SS 18:25TE 6: 4TS 6:13MS 7:50SR 0: 0VT
1- 3 15:56MR 16:38SS 18:25TE 6: 4TS 7: 4MS 7:49SR 0: 0VT
1- 4 16:40SS 16:49MR 18:27TE 6: 4TS 7:46MS 7:49SR 0: 0VT
1- 5 16:40SS 17:46MR 18:28TE 6: 4TS 7:49SR 8:25MS 0: 0VT
1- 6 16:42SS 18:28TE 18:43MR 6: 4TS 7:49SR 8:57MS 0:15VT
1- 7 16:43SS 18:30TE 19:43MR 6: 3TS 7:49SR 9:27MS 1:13VT
1- 8 16:43SS 18:31TE 20:42MR 6: 3TS 7:49SR 9:56MS 2:10VT
1- 9 16:46SS 18:31TE 21:40MR 6: 3TS 7:49SR 10:22MS 3: 8VT
1-10 16:46SS 18:32TE 22:38MR 6: 3TS 7:49SR 10:48MS 4: 6VT
1-11 16:47SS 18:34TE 23:37MR 6: 3TS 7:48SR 11:15MS 5: 3VT
1-12 16:49SS 18:34TE 0:37MR 6: 1TS 7:48SR 11:43MS 6: 2VT
1-13 16:49SS 18:36TE 1:39MR 6: 1TS 7:46SR 7: 2VT
1-14 12:16MS 16:52SS 18:37TE 2:40MR 6: 1TS 7:46SR 8: 3VT
1-15 12:52MS 16:52SS 18:37TE 3:43MR 6: 1TS 7:46SR 9: 6VT
1-16 13:37MS 16:53SS 18:38TE 4:46MR 6: 0TS 7:45SR 10: 7VT
1-17 14:28MS 16:55SS 18:40TE 5:45MR 6: 0TS 7:45SR 11: 4VT
1-18 15:31MS 16:57SS 18:42TE 5:58TS 6:39MR 7:43SR 11:16VT
1-19 16:34MS 16:58SS 18:43TE 5:58TS 7:28MR 7:43SR 11:15VT
1-20 17: 0SS 17:47MS 18:43TE 5:58TS 7:43SR 8:11MR 11:14VT
1-21 17: 1SS 18:45TE 19: 4MS 5:56TS 7:41SR 8:48MR 10:52VT
1-22 17: 1SS 18:46TE 20:19MS 5:56TS 7:40SR 9:23MR 9:37VT
1-23 17: 4SS 18:47TE 21:34MS 5:55TS 7:40SR 9:57MR 8:21VT
1-24 17: 4SS 18:49TE 22:47MS 5:55TS 7:39SR 10:31MR 7: 7VT
1-25 17: 7SS 18:49TE 23:58MS 5:54TS 7:37SR 11: 4MR 5:55VT
1-26 17: 7SS 18:52TE 1: 7MS 5:54TS 7:37SR 11:40MR 4:46VT
1-27 17: 8SS 18:52TE 2:12MS 5:52TS 7:35SR 3:40VT
1-28 12:21MR 17:10SS 18:53TE 3:13MS 5:52TS 7:34SR 2:38VT
1-29 13: 4MR 17:12SS 18:55TE 4:10MS 5:50TS 7:34SR 1:40VT
1-30 13:52MR 17:13SS 18:57TE 5: 0MS 5:49TS 7:33SR 0:49VT
1-31 14:43MR 17:15SS 18:58TE 5:45MS 5:49TS 7:31SR 0: 4VT
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 15:40MR 17:16SS 18:58TE 5:48TS 6:25MS 7:30SR 0: 0VT
2- 2 16:36MR 17:17SS 19: 1TE 5:46TS 6:58MS 7:28SR 0: 0VT
2- 3 17:19SS 17:34MR 19: 1TE 5:46TS 7:28SR 7:31MS 0: 0VT
2- 4 17:21SS 18:32MR 19: 2TE 5:43TS 7:25SR 7:58MS 0: 0VT
2- 5 17:22SS 19: 4TE 19:31MR 5:43TS 7:25SR 8:26MS 0:26VT
2- 6 17:23SS 19: 6TE 20:30MR 5:41TS 7:24SR 8:52MS 1:23VT
2- 7 17:25SS 19: 7TE 21:28MR 5:40TS 7:22SR 9:18MS 2:20VT
2- 8 17:27SS 19: 8TE 22:27MR 5:40TS 7:20SR 9:47MS 3:18VT
2- 9 17:28SS 19:10TE 23:27MR 5:37TS 7:19SR 10:16MS 4:16VT
2-10 17:30SS 19:10TE 0:27MR 5:37TS 7:18SR 10:51MS 5:16VT
2-11 17:31SS 19:13TE 1:28MR 5:35TS 7:16SR 11:30MS 6:14VT
2-12 17:32SS 19:13TE 2:28MR 5:34TS 7:15SR 7:15VT
2-13 12:16MS 17:34SS 19:15TE 3:27MR 5:33TS 7:13SR 8:11VT
2-14 13: 8MS 17:36SS 19:16TE 4:22MR 5:31TS 7:11SR 9: 6VT
2-15 14:10MS 17:37SS 19:17TE 5:13MR 5:30TS 7:10SR 9:56VT
2-16 15:19MS 17:38SS 19:19TE 5:28TS 5:58MR 7: 9SR 10: 8VT
2-17 16:34MS 17:40SS 19:21TE 5:26TS 6:40MR 7: 7SR 10: 5VT
2-18 17:40SS 17:51MS 19:22TE 5:25TS 7: 5SR 7:18MR 10: 2VT
2-19 17:43SS 19: 7MS 19:23TE 5:24TS 7: 4SR 7:54MR 10: 0VT
2-20 17:43SS 19:25TE 20:25MS 5:22TS 7: 3SR 8:29MR 8:56VT
2-21 17:46SS 19:25TE 21:40MS 5:20TS 7: 1SR 9: 3MR 7:40VT
2-22 17:46SS 19:28TE 22:52MS 5:19TS 6:58SR 9:41MR 6:26VT
2-23 17:49SS 19:28TE 0: 1MS 5:16TS 6:58SR 10:19MR 5:15VT
2-24 17:49SS 19:30TE 1: 4MS 5:16TS 6:55SR 11: 3MR 4:11VT
2-25 17:51SS 19:31TE 2: 4MS 5:13TS 6:54SR 11:49MR 3: 9VT
2-26 17:52SS 19:32TE 2:57MS 5:11TS 6:52SR 2:14VT
2-27 12:40MR 17:53SS 19:34TE 3:43MS 5:10TS 6:50SR 1:27VT
2-28 13:34MR 17:55SS 19:36TE 4:24MS 5: 9TS 6:49SR 0:45VT
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
3- 1 14:30MR 17:57SS 19:37TE 5: 1MS 5: 7TS 6:46SR 0: 5VT
3- 2 15:28MR 17:58SS 19:38TE 5: 4TS 5:33MS 6:45SR 0: 0VT
3- 3 16:25MR 18: 0SS 19:40TE 5: 3TS 6: 3MS 6:43SR 0: 0VT
3- 4 17:23MR 18: 1SS 19:40TE 5: 1TS 6:30MS 6:41SR 0: 0VT
3- 5 18: 2SS 18:22MR 19:43TE 5: 0TS 6:40SR 6:56MS 0: 0VT
3- 6 18: 4SS 19:21MR 19:43TE 4:58TS 6:37SR 7:22MS 0: 0VT
3- 7 18: 4SS 19:46TE 20:19MR 4:55TS 6:35SR 7:50MS 0:33VT
3- 8 18: 7SS 19:46TE 21:19MR 4:54TS 6:34SR 8:19MS 1:32VT
3- 9 18: 7SS 19:47TE 22:19MR 4:52TS 6:31SR 8:52MS 2:31VT
3-10 18: 8SS 19:49TE 23:19MR 4:49TS 6:31SR 9:29MS 3:29VT
3-11 18:10SS 19:51TE 0:19MR 4:48TS 6:28SR 10:10MS 4:27VT
3-12 18:12SS 19:52TE 1:16MR 4:46TS 6:26SR 11: 0MS 5:23VT
3-13 18:13SS 19:53TE 2:10MR 4:43TS 6:25SR 11:55MS 6:16VT
3-14 18:15SS 19:55TE 3: 1MR 4:41TS 6:22SR 7: 6VT
3-15 12:58MS 18:16SS 19:57TE 3:49MR 4:40TS 6:20SR 7:51VT
3-16 14: 7MS 18:16SS 19:58TE 4:31MR 4:37TS 6:19SR 8:32VT
3-17 15:22MS 18:19SS 20: 0TE 4:35TS 5:10MR 6:16SR 8:36VT
3-18 16:37MS 18:19SS 20: 1TE 4:34TS 5:46MR 6:15SR 8:32VT
3-19 17:55MS 18:21SS 20: 2TE 4:31TS 6:13SR 6:22MR 8:29VT
3-20 18:22SS 19:12MS 20: 4TE 4:30TS 6:11SR 6:58MR 8:25VT
3-21 18:23SS 20: 6TE 20:28MS 4:28TS 6:10SR 7:34MR 7:59VT
3-22 18:25SS 20: 7TE 21:40MS 4:25TS 6: 7SR 8:14MR 6:45VT
3-23 18:27SS 20: 8TE 22:49MS 4:24TS 6: 5SR 8:56MR 5:34VT
3-24 18:28SS 20:10TE 23:52MS 4:22TS 6: 4SR 9:44MR 4:29VT
3-25 18:28SS 20:10TE 0:50MS 4:19TS 6: 1SR 10:34MR 3:29VT
3-26 18:30SS 20:13TE 1:40MS 4:18TS 6: 0SR 11:28MR 2:37VT
3-27 18:31SS 20:13TE 2:22MS 4:16TS 5:58SR 1:53VT
3-28 12:23MR 18:32SS 20:16TE 3: 1MS 4:13TS 5:55SR 1:12VT
3-29 13:21MR 18:34SS 20:16TE 3:34MS 4:11TS 5:55SR 0:37VT
3-30 14:19MR 18:36SS 20:19TE 4: 4MS 4: 9TS 5:52SR 0: 4VT
3-31 15:16MR 18:37SS 20:21TE 4: 7TS 4:33MS 5:50SR 0: 0VT
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 12: 1MS 16:57SS 18:38TE 22: 0MR 5: 9TS 6:50SR 3:21VT
11- 2 12:43MS 16:55SS 18:37TE 22:58MR 5:10TS 6:52SR 4:21VT
11- 3 13:19MS 16:55SS 18:36TE 23:58MR 5:11TS 6:54SR 5:22VT
11- 4 13:49MS 16:52SS 18:34TE 0:57MR 5:13TS 6:55SR 6:23VT
11- 5 14:19MS 16:52SS 18:34TE 1:57MR 5:13TS 6:56SR 7:22VT
11- 6 14:46MS 16:49SS 18:32TE 2:55MR 5:16TS 6:58SR 8:22VT
11- 7 15:13MS 16:49SS 18:31TE 3:52MR 5:16TS 6:58SR 9:21VT
11- 8 15:38MS 16:47SS 18:30TE 4:52MR 5:18TS 7: 1SR 10:22VT
11- 9 16: 7MS 16:46SS 18:28TE 5:19TS 5:50MR 7: 1SR 10:50VT
11-10 16:37MS 16:45SS 18:28TE 5:20TS 6:49MR 7: 4SR 10:52VT
11-11 16:43SS 17:10MS 18:27TE 5:22TS 7: 4SR 7:49MR 10:54VT
11-12 16:43SS 17:49MS 18:25TE 5:22TS 7: 5SR 8:45MR 10:57VT
11-13 16:42SS 18:25TE 18:32MS 5:24TS 7: 7SR 9:41MR 10:51VT
11-14 16:40SS 18:23TE 19:22MS 5:25TS 7: 9SR 10:31MR 10: 3VT
11-15 16:40SS 18:22TE 20:17MS 5:26TS 7:10SR 11:18MR 9: 9VT
11-16 16:38SS 18:22TE 21:17MS 5:28TS 7:11SR 8:10VT
11-17 12: 0MR 16:37SS 18:22TE 22:22MS 5:28TS 7:13SR 7: 6VT
11-18 12:37MR 16:37SS 18:21TE 23:31MS 5:30TS 7:15SR 5:58VT
11-19 13:13MR 16:36SS 18:19TE 0:40MS 5:31TS 7:16SR 4:50VT
11-20 13:46MR 16:34SS 18:19TE 1:52MS 5:33TS 7:16SR 3:40VT
11-21 14:19MR 16:34SS 18:19TE 3: 7MS 5:34TS 7:19SR 2:27VT
11-22 14:55MR 16:34SS 18:17TE 4:20MS 5:34TS 7:19SR 1:13VT
11-23 15:31MR 16:32SS 18:17TE 5:34MS 5:35TS 7:20SR 0: 1VT
11-24 16:12MR 16:31SS 18:16TE 5:37TS 6:48MS 7:22SR 0: 0VT
11-25 16:31SS 16:57MR 18:16TE 5:39TS 7:24SR 7:55MS 0: 0VT
11-26 16:31SS 17:47MR 18:16TE 5:40TS 7:25SR 8:56MS 0: 0VT
11-27 16:30SS 18:16TE 18:43MR 5:40TS 7:25SR 9:51MS 0:26VT
11-28 16:30SS 18:15TE 19:43MR 5:41TS 7:28SR 10:37MS 1:28VT
11-29 16:28SS 18:15TE 20:43MR 5:43TS 7:28SR 11:16MS 2:28VT
11-30 16:28SS 18:15TE 21:45MR 5:43TS 7:30SR 11:51MS 3:30VT
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 16:28SS 18:13TE 22:46MR 5:45TS 7:31SR 4:32VT
12- 2 12:22MS 16:28SS 18:13TE 23:46MR 5:46TS 7:31SR 5:32VT
12- 3 12:49MS 16:28SS 18:13TE 0:45MR 5:46TS 7:33SR 6:31VT
12- 4 13:16MS 16:27SS 18:13TE 1:43MR 5:48TS 7:34SR 7:29VT
12- 5 13:41MS 16:27SS 18:13TE 2:40MR 5:49TS 7:34SR 8:27VT
12- 6 14: 8MS 16:27SS 18:13TE 3:40MR 5:49TS 7:35SR 9:27VT
12- 7 14:37MS 16:27SS 18:13TE 4:40MR 5:50TS 7:37SR 10:26VT
12- 8 15:10MS 16:27SS 18:13TE 5:39MR 5:52TS 7:37SR 11:25VT
12- 9 15:49MS 16:25SS 18:13TE 5:52TS 6:37MR 7:39SR 11:38VT
12-10 16:25SS 16:28MS 18:13TE 5:52TS 7:34MR 7:40SR 11:39VT
12-11 16:27SS 17:16MS 18:13TE 5:54TS 7:40SR 8:29MR 11:40VT
12-12 16:27SS 18:10MS 18:13TE 5:55TS 7:41SR 9:17MR 11:41VT
12-13 16:27SS 18:13TE 19:10MS 5:55TS 7:43SR 10: 1MR 10:45VT
12-14 16:27SS 18:13TE 20:15MS 5:55TS 7:43SR 10:40MR 9:40VT
12-15 16:27SS 18:13TE 21:22MS 5:56TS 7:43SR 11:16MR 8:34VT
12-16 16:27SS 18:15TE 22:31MS 5:58TS 7:45SR 11:51MR 7:26VT
12-17 16:28SS 18:15TE 23:42MS 5:58TS 7:46SR 6:15VT
12-18 12:22MR 16:28SS 18:15TE 0:53MS 5:58TS 7:46SR 5: 5VT
12-19 12:55MR 16:28SS 18:16TE 2: 4MS 5:58TS 7:46SR 3:54VT
12-20 13:30MR 16:28SS 18:16TE 3:16MS 6: 0TS 7:46SR 2:43VT
12-21 14: 7MR 16:28SS 18:16TE 4:26MS 6: 0TS 7:48SR 1:33VT
12-22 14:48MR 16:30SS 18:16TE 5:35MS 6: 1TS 7:48SR 0:25VT
12-23 15:37MR 16:30SS 18:17TE 6: 1TS 6:40MS 7:49SR 0: 0VT
12-24 16:27MR 16:31SS 18:17TE 6: 1TS 7:37MS 7:49SR 0: 0VT
12-25 16:31SS 17:25MR 18:19TE 6: 1TS 7:49SR 8:29MS 0: 0VT
12-26 16:31SS 18:19TE 18:25MR 6: 1TS 7:49SR 9:11MS 0: 6VT
12-27 16:32SS 18:19TE 19:28MR 6: 3TS 7:49SR 9:48MS 1: 8VT
12-28 16:34SS 18:21TE 20:30MR 6: 3TS 7:49SR 10:22MS 2: 8VT
12-29 16:34SS 18:22TE 21:31MR 6: 3TS 7:49SR 10:51MS 3: 8VT
12-30 16:34SS 18:22TE 22:31MR 6: 3TS 7:49SR 11:19MS 4: 9VT
12-31 16:36SS 18:22TE 23:31MR 6: 4TS 7:50SR 11:45MS 5: 8VT
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.
