| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Sunday | 4th | Prorogation | False | Prorogation | False |
4th January 1920 is in the prorogation between the 1st and 2nd sessions of the 31st Parliament, being the 1st prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 2nd session of the 31st Parliament.