| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Sunday | 17th | Prorogation | False | Prorogation | False |
17th August 1879 is in the prorogation between the 6th and 7th sessions of the 21st Parliament, being the 6th prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 7th session of the 21st Parliament.