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