The dark sky table shows the Pacific Standard Time (PST) times and 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

 4- 1  15:23MS 18:38SS         20:22TE          4: 4TS  5:16MR  5:48SR          7:41VT 
Pacific Daylight Saving Time (PDT) starts April 2, 2:00 am, The below times are PDT 
 4- 2  17:31MS 19:40SS         21:25TE          5: 1TS  6:43MR  6:46SR          7:36VT 
 4- 3  18:40MS 19:42SS         21:25TE          5: 0TS          6:43SR  7:10MR  7:34VT 
 4- 4          19:43SS 19:51MS 21:28TE          4:56TS          6:41SR  7:39MR  7:28VT 
 4- 5          19:43SS 21: 4MS 21:28TE          4:55TS          6:40SR  8:10MR  7:26VT 
 4- 6          19:46SS         21:31TE 22:17MS  4:52TS          6:37SR  8:44MR  6:35VT 
 4- 7          19:46SS         21:32TE 23:31MS  4:50TS          6:37SR  9:23MR  5:19VT 
 4- 8          19:47SS         21:34TE  0:42MS  4:49TS          6:34SR 10:10MR  4: 6VT 
 4- 9          19:49SS         21:36TE  1:49MS  4:46TS          6:33SR 11: 6MR  2:57VT 
 4-10          19:51SS         21:37TE  2:46MS  4:43TS          6:31SR          1:57VT 
 4-11  12: 7MR 19:52SS         21:38TE  3:37MS  4:41TS          6:28SR          1: 4VT 
 4-12  13:16MR 19:52SS         21:40TE  4:19MS  4:40TS          6:26SR          0:20VT 
 4-13  14:25MR 19:55SS         21:42TE          4:37TS  4:55MS  6:25SR          0: 0VT 
 4-14  15:37MR 19:55SS         21:43TE          4:35TS  5:25MS  6:24SR          0: 0VT 
 4-15  16:46MR 19:57SS         21:46TE          4:34TS  5:54MS  6:22SR          0: 0VT 
 4-16  17:55MR 19:58SS         21:46TE          4:31TS          6:19SR  6:19MS  0: 0VT 
 4-17  19: 2MR 20: 0SS         21:49TE          4:28TS          6:19SR  6:46MS  0: 0VT 
 4-18          20: 1SS 20: 8MR 21:51TE          4:26TS          6:16SR  7:11MS  0: 0VT 
 4-19          20: 1SS 21:13MR 21:52TE          4:25TS          6:15SR  7:40MS  0: 0VT 
 4-20          20: 4SS         21:53TE 22:16MR  4:22TS          6:13SR  8:12MS  0:22VT 
 4-21          20: 4SS         21:55TE 23:16MR  4:20TS          6:11SR  8:48MS  1:21VT 
 4-22          20: 6SS         21:58TE  0:15MR  4:19TS          6:10SR  9:29MS  2:16VT 
 4-23          20: 7SS         22: 0TE  1: 7MR  4:16TS          6: 9SR 10:15MS  3: 7VT 
 4-24          20: 8SS         22: 1TE  1:55MR  4:13TS          6: 7SR 11: 7MS  3:53VT 
 4-25          20:10SS         22: 2TE  2:37MR  4:11TS          6: 4SR          4:34VT 
 4-26  12: 3MS 20:10SS         22: 4TE  3:13MR  4:10TS          6: 4SR          5: 9VT 
 4-27  13: 3MS 20:13SS         22: 7TE  3:46MR  4: 7TS          6: 1SR          5:38VT 
 4-28  14: 6MS 20:13SS         22: 8TE          4: 5TS  4:16MR  6: 1SR          5:57VT 
 4-29  15:10MS 20:15SS         22:10TE          4: 4TS  4:43MR  5:58SR          5:53VT 
 4-30  16:19MS 20:16SS         22:12TE          4: 1TS  5:10MR  5:58SR          5:49VT

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