
[Table B.1](https://www.postgresql.org/docs/current/datetime-keywords.html#DATETIME-MONTH-TABLE "Table B.1. Month Names") shows the tokens that are recognized as names of months.

**Table B.1. Month Names**

 
| Month | Abbreviations |
| --- | --- |
| January | Jan |
| February | Feb |
| March | Mar |
| April | Apr |
| May |   |
| June | Jun |
| July | Jul |
| August | Aug |
| September | Sep, Sept |
| October | Oct |
| November | Nov |
| December | Dec |

[Table B.2](https://www.postgresql.org/docs/current/datetime-keywords.html#DATETIME-DOW-TABLE "Table B.2. Day of the Week Names") shows the tokens that are recognized as names of days of the week.

**Table B.2. Day of the Week Names**

 
| Day | Abbreviations |
| --- | --- |
| Sunday | Sun |
| Monday | Mon |
| Tuesday | Tue, Tues |
| Wednesday | Wed, Weds |
| Thursday | Thu, Thur, Thurs |
| Friday | Fri |
| Saturday | Sat |

[Table B.3](https://www.postgresql.org/docs/current/datetime-keywords.html#DATETIME-MOD-TABLE "Table B.3. Date/Time Field Modifiers") shows the tokens that serve various modifier purposes.

**Table B.3. Date/Time Field Modifiers**

 
| Identifier | Description |
| --- | --- |
| `AM` | Time is before 12:00 |
| `AT` | Ignored |
| `JULIAN`, `JD`, `J` | Next field is Julian Date |
| `ON` | Ignored |
| `PM` | Time is on or after 12:00 |
| `T` | Next field is time |
