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

 6- 1          20:52SS         23: 8TE  1:27MS  3: 7TS          5:24SR 11:36MR  1:40VT 
 6- 2          20:52SS         23:10TE  1:45MS  3: 5TS          5:24SR          1:20VT 
 6- 3  12:40MR 20:52SS         23:10TE  2: 1MS  3: 4TS          5:22SR          1: 3VT 
 6- 4  13:43MR 20:53SS         23:13TE  2:16MS  3: 4TS          5:22SR          0:48VT 
 6- 5  14:48MR 20:55SS         23:13TE  2:31MS  3: 2TS          5:22SR          0:31VT 
 6- 6  15:53MR 20:55SS         23:15TE  2:47MS  3: 2TS          5:22SR          0:15VT 
 6- 7  17: 1MR 20:55SS         23:16TE          3: 1TS  3: 7MS  5:22SR          0: 0VT 
 6- 8  18:13MR 20:57SS         23:17TE          3: 1TS  3:31MS  5:22SR          0: 0VT 
 6- 9  19:27MR 20:58SS         23:19TE          3: 0TS  4: 1MS  5:20SR          0: 0VT 
 6-10  20:40MR 20:58SS         23:19TE          3: 0TS  4:43MS  5:20SR          0: 0VT 
 6-11          20:58SS 21:49MR 23:19TE          2:58TS          5:20SR  5:39MS  0: 0VT 
 6-12          20:58SS 22:47MR 23:21TE          2:58TS          5:20SR  6:48MS  0: 0VT 
 6-13          21: 0SS         23:22TE 23:32MR  2:58TS          5:20SR  8: 6MS  0:10VT 
 6-14          21: 0SS         23:22TE  0: 7MR  2:58TS          5:20SR  9:29MS  0:45VT 
 6-15          21: 1SS         23:22TE  0:35MR  2:58TS          5:20SR 10:49MS  1:12VT 
 6-16          21: 1SS         23:23TE  0:57MR  2:58TS          5:20SR          1:33VT 
 6-17  12: 8MS 21: 1SS         23:25TE  1:16MR  2:58TS          5:20SR          1:50VT 
 6-18  13:26MS 21: 1SS         23:25TE  1:34MR  2:58TS          5:20SR          2: 9VT 
 6-19  14:43MS 21: 1SS         23:25TE  1:54MR  2:58TS          5:20SR          2:28VT 
 6-20  16: 1MS 21: 1SS         23:25TE  2:16MR  2:58TS          5:22SR          2:50VT 
 6-21  17:21MS 21: 2SS         23:25TE  2:42MR  2:58TS          5:22SR          3:16VT 
 6-22  18:38MS 21: 2SS         23:25TE          2:58TS  3:15MR  5:22SR          3:33VT 
 6-23  19:52MS 21: 2SS         23:25TE          2:58TS  3:58MR  5:22SR          3:33VT 
 6-24  20:58MS 21: 2SS         23:25TE          3: 0TS  4:50MR  5:22SR          3:34VT 
 6-25          21: 2SS 21:52MS 23:25TE          3: 0TS          5:22SR  5:55MR  3:34VT 
 6-26          21: 2SS 22:34MS 23:25TE          3: 1TS          5:22SR  7: 3MR  3:35VT 
 6-27          21: 2SS 23: 4MS 23:25TE          3: 1TS          5:24SR  8:12MR  3:35VT 
 6-28          21: 2SS         23:25TE 23:30MS  3: 1TS          5:24SR  9:21MR  3:31VT 
 6-29          21: 2SS         23:25TE 23:49MS  3: 2TS          5:25SR 10:26MR  3:13VT 
 6-30          21: 2SS         23:23TE  0: 6MS  3: 4TS          5:25SR 11:31MR  2:58VT 

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