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

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  16:45MS 18:49SS         20:31TE  1:57MR  5:28TS          7:10SR          5:25VT 
10- 2  17:25MS 18:49SS         20:28TE  3:15MR  5:30TS          7:10SR          6:46VT 
10- 3  17:58MS 18:46SS         20:27TE  4:37MR  5:31TS          7:11SR          8: 9VT 
10- 4  18:25MS 18:45SS         20:25TE          5:33TS  5:58MR  7:13SR          9: 7VT 
10- 5          18:43SS 18:49MS 20:22TE          5:34TS          7:15SR  7:20MR  9:11VT 
10- 6          18:40SS 19:15MS 20:21TE          5:35TS          7:16SR  8:44MR  9:15VT 
10- 7          18:38SS 19:40MS 20:19TE          5:37TS          7:16SR 10: 7MR  9:17VT 
10- 8          18:37SS 20:10MS 20:16TE          5:37TS          7:19SR 11:28MR  9:21VT 
10- 9          18:34SS         20:16TE 20:46MS  5:40TS          7:19SR          8:53VT 
10-10  12:45MR 18:34SS         20:13TE 21:28MS  5:40TS          7:20SR          8:12VT 
10-11  13:53MR 18:31SS         20:12TE 22:19MS  5:41TS          7:22SR          7:22VT 
10-12  14:52MR 18:30SS         20:10TE 23:17MS  5:43TS          7:24SR          6:26VT 
10-13  15:37MR 18:28SS         20: 7TE  0:22MS  5:45TS          7:25SR          5:22VT 
10-14  16:15MR 18:25SS         20: 7TE  1:28MS  5:46TS          7:26SR          4:17VT 
10-15  16:45MR 18:25SS         20: 4TE  2:34MS  5:46TS          7:28SR          3:12VT 
10-16  17: 8MR 18:22SS         20: 2TE  3:39MS  5:49TS          7:28SR          2:10VT 
10-17  17:30MR 18:21SS         20: 1TE  4:41MS  5:49TS          7:31SR          1: 7VT 
10-18  17:49MR 18:19SS         20: 0TE  5:43MS  5:50TS          7:31SR          0: 7VT 
10-19  18: 7MR 18:17SS         19:58TE          5:52TS  6:46MS  7:33SR          0: 0VT 
10-20          18:16SS 18:25MR 19:55TE          5:54TS          7:34SR  7:49MS  0: 0VT 
10-21          18:13SS 18:45MR 19:55TE          5:55TS          7:35SR  8:52MS  0: 0VT 
10-22          18:13SS 19: 7MR 19:52TE          5:56TS          7:37SR  9:57MS  0: 0VT 
10-23          18:10SS 19:32MR 19:52TE          5:58TS          7:39SR 11: 3MS  0: 0VT 
10-24          18: 8SS         19:49TE 20: 4MR  5:58TS          7:40SR          0:15VT 
10-25  12: 7MS 18: 7SS         19:49TE 20:43MR  6: 0TS          7:40SR          0:54VT 
10-26  13: 7MS 18: 6SS         19:46TE 21:32MR  6: 1TS          7:43SR          1:46VT 
Daylight Saving Time ends October 27, 2:00 am. The below times are PST
10-27  13: 1MS 17: 4SS         18:46TE 21:31MR  5: 3TS          6:43SR          2:45VT 
10-28  13:46MS 17: 2SS         18:43TE 22:38MR  5: 4TS          6:46SR          3:55VT 
10-29  14:25MS 17: 1SS         18:43TE 23:52MR  5: 5TS          6:46SR          5: 9VT 
10-30  14:56MS 17: 0SS         18:40TE  1:10MR  5: 7TS          6:48SR          6:29VT 
10-31  15:25MS 16:58SS         18:40TE  2:28MR  5: 7TS          6:49SR          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