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

 7- 1          21: 2SS 23: 1MR 23:23TE          3: 4TS          5:25SR  9:11MS  0: 0VT 
 7- 2          21: 1SS         23:22TE 23:34MR  3: 5TS          5:25SR 10:16MS  0:12VT 
 7- 3          21: 1SS         23:22TE  0: 6MR  3: 7TS          5:26SR 11:22MS  0:43VT 
 7- 4          21: 1SS         23:22TE  0:35MR  3: 7TS          5:28SR          1:12VT 
 7- 5  12:31MS 21: 1SS         23:21TE  1: 4MR  3: 9TS          5:28SR          1:42VT 
 7- 6  13:41MS 21: 1SS         23:19TE  1:34MR  3:10TS          5:28SR          2:14VT 
 7- 7  14:53MS 21: 1SS         23:19TE  2: 5MR  3:10TS          5:30SR          2:46VT 
 7- 8  16: 7MS 21: 0SS         23:17TE  2:42MR  3:13TS          5:31SR          3:24VT 
 7- 9  17:22MS 21: 0SS         23:16TE          3:13TS  3:25MR  5:31SR          3:57VT 
 7-10  18:36MS 20:58SS         23:16TE          3:16TS  4:15MR  5:31SR          3:59VT 
 7-11  19:43MS 20:58SS         23:15TE          3:16TS  5:13MR  5:33SR          4: 1VT 
 7-12  20:43MS 20:58SS         23:13TE          3:19TS          5:34SR  6:18MR  4: 5VT 
 7-13          20:57SS 21:34MS 23:12TE          3:19TS          5:34SR  7:28MR  4: 7VT 
 7-14          20:57SS 22:16MS 23:10TE          3:22TS          5:35SR  8:37MR  4:11VT 
 7-15          20:55SS 22:52MS 23: 8TE          3:22TS          5:37SR  9:47MR  4:14VT 
 7-16          20:55SS         23: 7TE 23:22MS  3:25TS          5:37SR 10:53MR  4: 2VT 
 7-17          20:53SS         23: 7TE 23:51MS  3:27TS          5:39SR 11:58MR  3:35VT 
 7-18          20:53SS         23: 4TE  0:16MS  3:28TS          5:40SR          3:11VT 
 7-19  13: 0MR 20:52SS         23: 2TE  0:42MS  3:30TS          5:40SR          2:47VT 
 7-20  14: 1MR 20:52SS         23: 1TE  1: 8MS  3:31TS          5:41SR          2:22VT 
 7-21  15: 1MR 20:51SS         23: 0TE  1:37MS  3:32TS          5:43SR          1:55VT 
 7-22  16: 1MR 20:49SS         22:58TE  2: 7MS  3:34TS          5:43SR          1:27VT 
 7-23  16:58MR 20:49SS         22:57TE  2:43MS  3:37TS          5:45SR          0:54VT 
 7-24  17:55MR 20:47SS         22:55TE  3:24MS  3:39TS          5:46SR          0:15VT 
 7-25  18:47MR 20:46SS         22:52TE          3:40TS  4:10MS  5:46SR          0: 0VT 
 7-26  19:37MR 20:46SS         22:52TE          3:42TS  5: 3MS  5:48SR          0: 0VT 
 7-27  20:22MR 20:45SS         22:49TE          3:43TS          5:49SR  6: 1MS  0: 0VT 
 7-28          20:43SS 21: 1MR 22:47TE          3:46TS          5:49SR  7: 3MS  0: 0VT 
 7-29          20:42SS 21:37MR 22:46TE          3:47TS          5:52SR  8: 7MS  0: 0VT 
 7-30          20:40SS 22:10MR 22:43TE          3:49TS          5:52SR  9:15MS  0: 0VT 
 7-31          20:40SS 22:40MR 22:42TE          3:50TS          5:54SR 10:23MS  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.

© 1998-2003 David Haworth