o  ,    o  ,                    NORTHFIELD, VERMONT                Astronomical Applications Dept.
 Location: W072 40, N44 09                   Eastern Standard Time               U. S. Naval Observatory        
                                                                                 Washington, DC  20392-5420     
                                                                                                                
                                         Duration of Daylight for 2017                                          
                                                                                                                
 Day    Jan.     Feb.     Mar.     Apr.     May      June     July     Aug.     Sep.     Oct.     Nov.     Dec. 
                                                                                                                
         h  m     h  m     h  m     h  m     h  m     h  m     h  m     h  m     h  m     h  m     h  m     h  m
 01     08:57    09:53    11:12    12:47    14:13    15:17    15:26    14:36    13:12    11:42    10:12    09:07
 02     08:58    09:56    11:15    12:50    14:16    15:18    15:26    14:33    13:09    11:39    10:10    09:06
 03     08:59    09:58    11:18    12:53    14:18    15:20    15:25    14:31    13:06    11:36    10:07    09:04
 04     09:00    10:01    11:21    12:56    14:21    15:21    15:24    14:29    13:03    11:33    10:04    09:03
 05     09:01    10:03    11:24    12:59    14:23    15:22    15:23    14:26    13:00    11:30    10:02    09:02
 06     09:02    10:06    11:27    13:02    14:26    15:23    15:22    14:24    12:57    11:27    09:59    09:01
 07     09:04    10:09    11:30    13:05    14:28    15:24    15:21    14:21    12:55    11:24    09:57    09:00
 08     09:05    10:11    11:33    13:08    14:31    15:25    15:20    14:19    12:52    11:21    09:54    08:59
 09     09:06    10:14    11:36    13:11    14:33    15:26    15:18    14:16    12:49    11:18    09:52    08:58
 10     09:08    10:17    11:39    13:14    14:35    15:26    15:17    14:14    12:46    11:15    09:49    08:57
 11     09:09    10:20    11:42    13:17    14:38    15:27    15:16    14:11    12:43    11:12    09:47    08:56
 12     09:11    10:22    11:45    13:20    14:40    15:28    15:14    14:08    12:40    11:09    09:44    08:55
 13     09:12    10:25    11:49    13:22    14:42    15:28    15:13    14:06    12:37    11:06    09:42    08:55
 14     09:14    10:28    11:52    13:25    14:45    15:29    15:11    14:03    12:34    11:04    09:40    08:54
 15     09:16    10:31    11:55    13:28    14:47    15:29    15:10    14:00    12:31    11:01    09:37    08:54
 16     09:18    10:34    11:58    13:31    14:49    15:30    15:08    13:58    12:28    10:58    09:35    08:53
 17     09:20    10:36    12:01    13:34    14:51    15:30    15:07    13:55    12:25    10:55    09:33    08:53
 18     09:21    10:39    12:04    13:37    14:53    15:30    15:05    13:52    12:22    10:52    09:31    08:53
 19     09:23    10:42    12:07    13:40    14:55    15:30    15:03    13:49    12:19    10:49    09:29    08:52
 20     09:25    10:45    12:10    13:43    14:57    15:30    15:01    13:47    12:16    10:46    09:27    08:52
 21     09:28    10:48    12:13    13:46    14:59    15:30    14:59    13:44    12:13    10:43    09:25    08:52
 22     09:30    10:51    12:16    13:48    15:01    15:30    14:57    13:41    12:09    10:40    09:23    08:52
 23     09:32    10:54    12:19    13:51    15:03    15:30    14:55    13:38    12:06    10:37    09:21    08:52
 24     09:34    10:57    12:22    13:54    15:05    15:30    14:53    13:35    12:03    10:35    09:19    08:53
 25     09:36    11:00    12:25    13:57    15:06    15:30    14:51    13:33    12:00    10:32    09:17    08:53
 26     09:39    11:03    12:28    13:59    15:08    15:29    14:49    13:30    11:57    10:29    09:15    08:53
 27     09:41    11:06    12:31    14:02    15:10    15:29    14:47    13:27    11:54    10:26    09:14    08:54
 28     09:43    11:09    12:34    14:05    15:11    15:28    14:45    13:24    11:51    10:23    09:12    08:54
 29     09:46             12:37    14:08    15:13    15:28    14:43    13:21    11:48    10:21    09:10    08:55
 30     09:48             12:41    14:10    15:14    15:27    14:40    13:18    11:45    10:18    09:09    08:55
 31     09:50             12:44             15:16             14:38    13:15             10:15             08:56


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