An Outline of the dates of the Book of Ezekiel
In Ezekiel 1:2 Ezekiel dates the beginning of his book as in the 5th year of Jehoiachin's captivity which would also be the first year of Zedekiah. Ezekiel gives the dates when prophecies were received. It is assumed that all the material that follows a certain date belongs to that date until the next date is mentioned. The chart below gives the verse, year, month and day of the section and then the calendar year.
1:2                    5th                  4th                           5th                          592 BC
8:1                     6                       6                            5                            591
20:1                  7                       5                           10                              590
24:1                  9                       10                         10                              587
Siege of Jerusalem began 9-10-10 (2Kings 25:1; Jer. 39:1; 52:4; Ezek 24:1,2)
26:1                 11                       1                         1                                585
29:1                 10                     10                        12                                586
29:17               27                       1                          1                                 570
30:20                11                      1                           7                                585
31:1                   11                     3                           1                                585
          Jerusalem Fell in 11- 4- 9 (Jer.52:5-6)
32:1                  12                     12                           1                               584
32:17                12                     12                          15                              584
33:21                12                      10                         5                                584
40:1                  25                        1                        10                               572
It is assumed that all the material that follows a certain date belongs to that date until the next date is mentioned.