| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Friday | 12th | Prorogation | False | Prorogation | False |
12th August 1864 is in the prorogation between the 6th and 7th sessions of the 18th Parliament, being the 6th prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 7th session of the 18th Parliament.