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: 2MS 23:23TE          3: 4TS          5:25SR  8: 7MR  3:41VT 
 7- 2          21: 1SS         23:22TE 23:34MS  3: 5TS          5:25SR  9:21MR  3:31VT 
 7- 3          21: 1SS         23:22TE          3: 7TS          5:26SR 10:34MR  3: 7VT 
 7- 4          21: 1SS         23:22TE  0:22MS  3: 7TS          5:28SR 11:48MR  2:44VT 
 7- 5          21: 1SS         23:21TE  0:43MS  3: 9TS          5:28SR          2:25VT 
 7- 6  13: 3MR 21: 1SS         23:19TE  1: 4MS  3:10TS          5:28SR          2: 5VT 
 7- 7  14:19MR 21: 1SS         23:19TE  1:28MS  3:12TS          5:30SR          1:43VT 
 7- 8  17: 1MR 21: 0SS         23:17TE  1:54MS  3:13TS          5:31SR          1:19VT 
 7- 9          21: 0SS         23:16TE  2:25MS  3:13TS          5:31SR          3:57VT 
 7-10  18:19MR 20:58SS         23:16TE  3: 4MS  3:16TS          5:31SR          0:11VT 
 7-11  19:36MR 20:58SS         23:15TE          3:16TS  3:55MS  5:33SR          0: 0VT 
 7-12  20:43MR 20:58SS         23:13TE          3:19TS  5: 0MS  5:34SR          0: 0VT 
 7-13          20:57SS 21:37MR 23:12TE          3:19TS          5:34SR  6:11MS  0: 0VT 
 7-14          20:57SS 22:17MR 23:10TE          3:22TS          5:35SR  7:26MS  0: 0VT 
 7-15          20:55SS 22:49MR 23: 8TE          3:22TS          5:37SR  8:41MS  0: 0VT 
 7-16          20:55SS         23: 7TE 23:15MR  3:25TS          5:37SR  9:52MS  0: 7VT 
 7-17          20:53SS         23: 7TE 23:36MR  3:27TS          5:39SR 11: 1MS  0:28VT 
 7-18          20:53SS         23: 4TE 23:55MR  3:28TS          5:40SR          0:50VT 
 7-19  12: 7MS 20:52SS         23: 2TE  0:12MR  3:30TS          5:40SR          1: 9VT 
 7-20  13:10MS 20:52SS         23: 1TE  0:30MR  3:31TS          5:41SR          1:28VT 
 7-21  14:15MS 20:51SS         23: 0TE  0:50MR  3:32TS          5:43SR          1:49VT 
 7-22  15:19MS 20:49SS         22:58TE  1:12MR  3:34TS          5:43SR          2:13VT 
 7-23  16:23MS 20:49SS         22:57TE  1:39MR  3:37TS          5:45SR          2:41VT 
 7-24  17:28MS 20:47SS         22:55TE  2:12MR  3:39TS          5:46SR          3:16VT 
 7-25  18:31MS 20:46SS         22:52TE  2:54MR  3:40TS          5:46SR          4: 1VT 
 7-26  19:28MS 20:46SS         22:52TE          3:42TS  3:45MR  5:48SR          4:49VT 
 7-27  20:19MS 20:45SS         22:49TE          3:43TS  4:46MR  5:49SR          4:54VT 
 7-28          20:43SS 21: 1MS 22:47TE          3:46TS          5:49SR  5:55MR  4:58VT 
 7-29          20:42SS 21:36MS 22:46TE          3:47TS          5:52SR  7: 9MR  5: 1VT 
 7-30          20:40SS 22: 4MS 22:43TE          3:49TS          5:52SR  8:23MR  5: 6VT 
 7-31          20:40SS 22:28MS 22:42TE          3:50TS          5:54SR  9:37MR  5: 8VT 

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