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

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

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.

© 1998-2003 David Haworth