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

Pacific Daylight Saving Time (PDT) starts April 1, 2:00 am, The below times are PDT 
 4- 1  19: 1MR 19:37SS         21:22TE          5: 4TS  6:39MS  6:49SR          0: 0VT 
 4- 2          19:40SS 20: 6MR 21:23TE          5: 3TS          6:46SR  6:55MS  0: 0VT 
 4- 3          19:40SS 21:10MR 21:25TE          5: 1TS          6:45SR  7:13MS  0: 0VT 
 4- 4          19:42SS         21:27TE 22:16MR  4:58TS          6:43SR  7:34MS  0:49VT 
 4- 5          19:43SS         21:28TE 23:25MR  4:56TS          6:40SR  8: 2MS  1:57VT 
 4- 6          19:45SS         21:30TE  0:32MR  4:55TS          6:40SR  8:37MS  3: 1VT 
 4- 7          19:46SS         21:31TE  1:34MR  4:52TS          6:37SR  9:22MS  4: 3VT 
 4- 8          19:46SS         21:32TE  2:30MR  4:49TS          6:35SR 10:21MS  4:57VT 
 4- 9          19:49SS         21:34TE  3:16MR  4:48TS          6:34SR 11:28MS  5:41VT 
 4-10          19:49SS         21:36TE  3:52MR  4:46TS          6:31SR          6:16VT 
 4-11  12:43MS 19:51SS         21:37TE  4:22MR  4:43TS          6:30SR          6:44VT 
 4-12  14: 1MS 19:52SS         21:40TE          4:41TS  4:46MR  6:28SR          7: 1VT 
 4-13  15:22MS 19:53SS         21:40TE          4:39TS  5: 7MR  6:26SR          6:58VT 
 4-14  16:43MS 19:55SS         21:43TE          4:37TS  5:26MR  6:25SR          6:53VT 
 4-15  18: 6MS 19:55SS         21:45TE          4:34TS  5:48MR  6:22SR          6:49VT 
 4-16  19:30MS 19:58SS         21:46TE          4:33TS  6:10MR  6:22SR          6:46VT 
 4-17          19:58SS 20:58MS 21:47TE          4:31TS          6:19SR  6:37MR  6:43VT 
 4-18          20: 0SS         21:49TE 22:25MS  4:28TS          6:18SR  7:13MR  6: 3VT 
 4-19          20: 1SS         21:51TE 23:47MS  4:26TS          6:16SR  7:58MR  4:39VT 
 4-20          20: 2SS         21:52TE  1: 1MS  4:24TS          6:15SR  8:55MR  3:22VT 
 4-21          20: 4SS         21:55TE  1:58MS  4:22TS          6:13SR 10: 3MR  2:23VT 
 4-22          20: 4SS         21:57TE  2:43MS  4:19TS          6:10SR 11:15MR  1:36VT 
 4-23          20: 7SS         21:58TE  3:13MS  4:18TS          6:10SR          1: 4VT 
 4-24  12:26MR 20: 7SS         22: 0TE  3:39MS  4:16TS          6: 7SR          0:37VT 
 4-25  13:37MR 20: 8SS         22: 1TE  3:58MS  4:13TS          6: 5SR          0:15VT 
 4-26  14:45MR 20:10SS         22: 4TE          4:11TS  4:16MS  6: 4SR          0: 0VT 
 4-27  15:49MR 20:12SS         22: 6TE          4: 9TS  4:31MS  6: 3SR          0: 0VT 
 4-28  16:53MR 20:13SS         22: 7TE          4: 7TS  4:46MS  6: 1SR          0: 0VT 
 4-29  17:57MR 20:13SS         22: 8TE          4: 4TS  5: 1MS  6: 0SR          0: 0VT 
 4-30  19: 1MR 20:16SS         22:10TE          4: 3TS  5:19MS  5:58SR          0: 0VT 

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