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