When a serial is marked by chronology that includes months and/or seasons, abbreviations (for months) or text (for seasons) are used in the item records
| Month | Item Records |
|---|---|
| January | Jan. |
| February | Feb. |
| March | Mar. |
| April | Apr. |
| May | May |
| June | June |
| July | July |
| August | Aug. |
| September | Sept. |
| October | Oct. |
| November | Nov. |
| December | Dec. |
| Season | Item Records |
|---|---|
| Spring | Spring |
| Summer | Summer |
| Autumn/Fall | Autumn |
| Winter | Winter |