March 2009 Dark Sky Observing Time

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

 3- 1          17:58SS         19:37TE 23:52MS  5: 5TS          6:46SR  8:56MR  5:13VT 
 3- 2          17:58SS         19:38TE  1: 7MS  5: 4TS          6:43SR  9:37MR  3:57VT 
 3- 3          18: 0SS         19:40TE  2:17MS  5: 3TS          6:43SR 10:31MR  2:45VT 
 3- 4          18: 1SS         19:42TE  3:19MS  5: 1TS          6:40SR 11:38MR  1:41VT 
 3- 5          18: 2SS         19:43TE  4:10MS  4:58TS          6:39SR          0:48VT 
 3- 6  12:55MR 18: 4SS         19:45TE  4:48MS  4:56TS          6:37SR          0: 8VT 
 3- 7  14:16MR 18: 6SS         19:46TE          4:55TS  5:19MS  6:34SR          0: 0VT 
Pacific Daylight Saving Time (PDT) starts March 8, 2:00 am, The below times are PDT 
 3- 8  16:36MR 19: 7SS         20:47TE          5:52TS  6:43MS  7:33SR          0: 0VT 
 3- 9  17:55MR 19: 8SS         20:49TE          5:50TS  7: 5MS  7:31SR          0: 0VT 
 3-10          19:10SS 19:13MR 20:51TE          5:49TS  7:25MS  7:30SR          0: 0VT 
 3-11          19:10SS 20:27MR 20:52TE          5:46TS          7:28SR  7:46MS  0: 0VT 
 3-12          19:13SS         20:52TE 21:40MR  5:45TS          7:25SR  8: 8MS  0:48VT 
 3-13          19:13SS         20:55TE 22:52MR  5:43TS          7:24SR  8:33MS  1:57VT 
 3-14          19:15SS         20:55TE  0: 4MR  5:41TS          7:22SR  9: 3MS  3: 8VT 
 3-15          19:16SS         20:58TE  1:10MR  5:40TS          7:19SR  9:38MS  4:12VT 
 3-16          19:17SS         20:58TE  2:13MR  5:37TS          7:18SR 10:22MS  5:14VT 
 3-17          19:19SS         21: 0TE  3: 5MR  5:35TS          7:16SR 11:13MS  6: 5VT 
 3-18          19:21SS         21: 1TE  3:50MR  5:34TS          7:15SR          6:49VT 
 3-19  12:13MS 19:22SS         21: 2TE  4:28MR  5:31TS          7:13SR          7:25VT 
 3-20  13:16MS 19:22SS         21: 4TE  4:58MR  5:28TS          7:10SR          7:53VT 
 3-21  14:22MS 19:25SS         21: 6TE  5:22MR  5:26TS          7: 9SR          8:16VT 
 3-22  15:28MS 19:25SS         21: 7TE          5:25TS  5:43MR  7: 7SR          8:17VT 
 3-23  16:36MS 19:27SS         21: 8TE          5:22TS  6: 4MR  7: 4SR          8:14VT 
 3-24  17:45MS 19:28SS         21:10TE          5:20TS  6:22MR  7: 3SR          8:10VT 
 3-25  18:55MS 19:30SS         21:12TE          5:19TS  6:41MR  7: 1SR          8: 7VT 
 3-26          19:31SS 20: 7MS 21:13TE          5:16TS          6:58SR  7: 3MR  8: 3VT 
 3-27          19:31SS         21:15TE 21:21MS  5:15TS          6:56SR  7:28MR  7:53VT 
 3-28          19:34SS         21:16TE 22:37MS  5:13TS          6:55SR  7:58MR  6:35VT 
 3-29          19:34SS         21:17TE 23:55MS  5:10TS          6:54SR  8:37MR  5:15VT 
 3-30          19:36SS         21:19TE  1:10MS  5: 9TS          6:52SR  9:29MR  3:58VT 
 3-31          19:37SS         21:21TE  2:13MS  5: 5TS          6:49SR 10:31MR  2:52VT 

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.