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: 1SS 21:12MS 23:22TE          3: 4TS          5:25SR  6:28MR  3:42VT 
 7- 2          21: 1SS 22: 7MS 23:22TE          3: 5TS          5:26SR  7:40MR  3:43VT 
 7- 3          21: 1SS 22:55MS 23:22TE          3: 7TS          5:28SR  8:56MR  3:45VT 
 7- 4          21: 1SS         23:21TE 23:34MS  3: 9TS          5:28SR 10:10MR  3:34VT 
 7- 5          21: 1SS         23:19TE  0: 6MS  3:10TS          5:28SR 11:23MR  3: 4VT 
 7- 6          21: 1SS         23:19TE  0:34MS  3:10TS          5:30SR          2:36VT 
 7- 7  12:34MR 21: 0SS         23:17TE  1: 0MS  3:12TS          5:30SR          2:12VT 
 7- 8  13:40MR 21: 0SS         23:16TE  1:25MS  3:13TS          5:31SR          1:48VT 
 7- 9  14:46MR 20:58SS         23:16TE  1:51MS  3:15TS          5:31SR          1:23VT 
 7-10  15:49MR 20:58SS         23:15TE  2:19MS  3:16TS          5:33SR          0:57VT 
 7-11  16:51MR 20:58SS         23:13TE  2:49MS  3:17TS          5:34SR          0:28VT 
 7-12  17:52MR 20:58SS         23:12TE          3:19TS  3:24MS  5:34SR          0: 0VT 
 7-13  18:49MR 20:57SS         23:10TE          3:20TS  4: 4MS  5:35SR          0: 0VT 
 7-14  19:43MR 20:55SS         23:10TE          3:22TS  4:49MS  5:37SR          0: 0VT 
 7-15  20:31MR 20:55SS         23: 7TE          3:24TS          5:37SR  5:40MS  0: 0VT 
 7-16          20:55SS 21:13MR 23: 7TE          3:25TS          5:37SR  6:35MS  0: 0VT 
 7-17          20:53SS 21:51MR 23: 4TE          3:28TS          5:39SR  7:34MS  0: 0VT 
 7-18          20:52SS 22:23MR 23: 4TE          3:28TS          5:40SR  8:36MS  0: 0VT 
 7-19          20:52SS 22:52MR 23: 1TE          3:31TS          5:40SR  9:38MS  0: 0VT 
 7-20          20:51SS         23: 1TE 23:17MR  3:32TS          5:41SR 10:43MS  0:16VT 
 7-21          20:49SS         22:58TE 23:43MR  3:34TS          5:43SR 11:48MS  0:44VT 
 7-22          20:49SS         22:57TE  0: 7MR  3:35TS          5:45SR          1:10VT 
 7-23  12:53MS 20:47SS         22:55TE  0:34MR  3:37TS          5:46SR          1:38VT 
 7-24  14: 3MS 20:46SS         22:53TE  1: 2MR  3:40TS          5:46SR          2: 9VT 
 7-25  15:13MS 20:46SS         22:52TE  1:36MR  3:42TS          5:48SR          2:43VT 
 7-26  16:27MS 20:45SS         22:49TE  2:16MR  3:43TS          5:49SR          3:26VT 
 7-27  17:40MS 20:43SS         22:47TE  3: 4MR  3:45TS          5:49SR          4:17VT 
 7-28  18:49MS 20:43SS         22:46TE          3:46TS  4: 4MR  5:50SR          5: 0VT 
 7-29  19:52MS 20:40SS         22:45TE          3:49TS  5:13MR  5:52SR          5: 4VT 
 7-30          20:40SS 20:43MS 22:43TE          3:50TS          5:54SR  6:28MR  5: 7VT 
 7-31          20:38SS 21:27MS 22:40TE          3:52TS          5:55SR  7:46MR  5:12VT

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