| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Friday | 21st | Prorogation | False | Prorogation | False |
21st September 1860 forms part of the prorogation between the 2nd and 3rd sessions of the 18th Parliament, being the 2nd prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 3rd session of the 18th Parliament.