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

 4- 1          18:38SS         20:22TE 23:30MS  4: 4TS          5:49SR  7:52MR  4:34VT 
Pacific Daylight Saving Time (PDT) starts April 2, 2:00 am, The below times are PDT 
 4- 2          19:40SS         21:23TE  1:42MS  5: 3TS          6:46SR  9:37MR  3:21VT 
 4- 3          19:40SS         21:25TE  2:43MS  5: 1TS          6:45SR 10:31MR  2:17VT 
 4- 4          19:42SS         21:27TE  3:31MS  4:58TS          6:43SR 11:34MR  1:26VT 
 4- 5          19:43SS         21:28TE  4: 9MS  4:55TS          6:40SR          0:46VT 
 4- 6  12:41MR 19:45SS         21:30TE  4:37MS  4:54TS          6:39SR          0:16VT 
 4- 7  13:49MR 19:46SS         21:31TE          4:52TS  5: 0MS  6:37SR          0: 0VT 
 4- 8  14:55MR 19:47SS         21:32TE          4:49TS  5:19MS  6:35SR          0: 0VT 
 4- 9  16: 1MR 19:49SS         21:34TE          4:48TS  5:34MS  6:34SR          0: 0VT 
 4-10  17: 6MR 19:49SS         21:37TE          4:45TS  5:49MS  6:31SR          0: 0VT 
 4-11  18:10MR 19:51SS         21:37TE          4:43TS  6: 4MS  6:30SR          0: 0VT 
 4-12  19:15MR 19:52SS         21:40TE          4:40TS  6:20MS  6:28SR          0: 0VT 
 4-13          19:53SS 20:22MR 21:42TE          4:39TS          6:25SR  6:39MS  0: 0VT 
 4-14          19:55SS 21:32MR 21:43TE          4:37TS          6:25SR  7: 1MS  0: 0VT 
 4-15          19:57SS         21:45TE 22:46MR  4:34TS          6:22SR  7:28MS  1: 1VT 
 4-16          19:58SS         21:46TE 23:58MR  4:31TS          6:20SR  8: 6MS  2:11VT 
 4-17          19:58SS         21:47TE  1: 7MR  4:30TS          6:19SR  8:55MS  3:19VT 
 4-18          20: 0SS         21:49TE  2: 7MR  4:28TS          6:18SR  9:56MS  4:17VT 
 4-19          20: 1SS         21:52TE  2:55MR  4:25TS          6:16SR 11:10MS  5: 2VT 
 4-20          20: 2SS         21:53TE  3:32MR  4:24TS          6:13SR          5:39VT 
 4-21  12:30MS 20: 4SS         21:55TE  4: 1MR  4:22TS          6:13SR          6: 6VT 
 4-22  13:52MS 20: 6SS         21:57TE          4:19TS  4:25MR  6:10SR          6:22VT 
 4-23  15:13MS 20: 7SS         21:58TE          4:16TS  4:46MR  6: 9SR          6:18VT 
 4-24  16:34MS 20: 7SS         22: 1TE          4:15TS  5: 5MR  6: 7SR          6:13VT 
 4-25  17:55MS 20: 8SS         22: 1TE          4:13TS  5:25MR  6: 5SR          6:11VT 
 4-26  19:17MS 20:10SS         22: 4TE          4:10TS  5:46MR  6: 4SR          6: 6VT 
 4-27          20:12SS 20:40MS 22: 6TE          4: 9TS          6: 3SR  6:13MR  6: 2VT 
 4-28          20:13SS 22: 1MS 22: 7TE          4: 7TS          6: 1SR  6:46MR  5:59VT 
 4-29          20:15SS         22:10TE 23:19MS  4: 4TS          6: 0SR  7:26MR  4:45VT 
 4-30          20:16SS         22:12TE  0:28MS  4: 3TS          5:58SR  8:18MR  3:35VT 

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