| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1914 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 1915 | Jan | Feb | Apr | May | Jun | Jul | Aug | Sep | Dec | ||||
| 1916 | Jan | Feb | Mar | Apr | May | Jun | Sep | ||||||
| 1917 | Jan | Mar | Apr | Jun | Aug | Sep | Dec | ||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1915 | Feb | Mar | May | Dec | |||||||||
| 1916 | Sep | Dec | |||||||||||
| 1917 | Jan | May | Jun | Jul | Aug | Sep | Oct | Dec | |||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1915 | Mar 15 | Apr 5 | Apr 28 | May 20 | Jul 15 | Aug 15 | |||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1914 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 1915 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 1916 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 1917 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1915 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 1916 | Jan | Feb | Apr | May | Jun | ||||||||
| 1917 | May | Jun | Sep | Oct | Nov | Dec | |||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1915 | Jan 2 | Jan 9 | Jan 16 | Jan 23 | Feb 6 | Feb 20 | Feb 27 | Mar 6 | Apr 10 | May 15 | May 22 | Jun 5 | Jun 26 |
| 1915 | Jul 3 | Jul 10 | Jul 17 | Jul 24 | Aug 7 | Aug 21 | Aug 28 | Sep 11 | Oct 23 | Nov 6 | Dec 18 | Dec 25 | |
| 1916 | Jan 15 | Feb 5 | Feb 12 | Feb 19 | |||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1916 | Jan | Mar | Apr | Sep | Oct | Nov | |||||||
| 1917 | Jan | Feb | Mar | Apr | Jun | Sep | Oct | Nov | Dec | ||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1915 | Jan 3 | Jan 10 | Jan 17 | Jan 24 | Jan 31 | Feb 7 | Feb 14 | Feb 21 | Feb 28 | Mar 7 | Mar 14 | Mar 21 | Mar 28 |
| 1915 | Apr 4 | Apr 11 | Apr 18 | Apr 25 | May 2 | May 9 | May 16 | May 23 | May 30 | Jun 6 | Jun 13 | Jun 20 | Jun 27 |
| 1915 | Jul 4 | Jul 11 | Jul 18 | Jul 25 | Aug 1 | Aug 8 | Aug 15 | Aug 22 | Aug 29 | Sep 5 | Sep 12 | Sep 19 | Sep 26 |
| 1915 | Oct 3 | Oct 10 | Oct 17 | Oct 24 | Oct 29 | Oct 31 | Nov 7 | Nov ,21 | Nov 14 | Nov 21 | Nov 28 | Dec 5 | Dec 12 |
| 1915 | Dec 20 | Dec 26 | |||||||||||
| 1916 | Jan 2 | Jan 9 | Jan 16 | Jan 23 | Feb 6 | Feb 13 | Feb 20 | Feb 27 | Mar 5 | Mar 12 | Mar 19 | Mar 26 | Apr 2 |
| 1916 | Apr 9 | Apr 16 | Apr 23 | Apr 30 | May 7 | May 14 | May 21 | May 28 | Jun 4 | Jun 18 | Jul 2 | Jul 16 | Jul 30 |
| 1916 | Aug 13 | Aug 27 | Sep 10 | Sep 24 | Oct 8 | Oct 22 | Nov 5 | Nov 19 | Dec 3 | Dec 17 | |||
| 1917 | Jan 7 | Jan 21 | Feb 4 | Feb 18 | Mar 4 | Mar 18 | Apr 1 | Apr 15 | Apr 29 | May 13 | May 27 | Jun 10 | Jun 24 |
| 1917 | Jul 8 | Jul 22 | Aug 5 | Aug 19 | Sep 2 | Sep 16 | Sep 30 | Oct 14 | Oct 28 | Nov 11 | Nov 25 | Dec 9 | Dec 23 |