The dark sky table shows the Pacific Daylight Saving Time (PDT) 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.

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

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

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.

© 1998-2008 David Haworth