| 11 December 2018: | Registration opens |
| 7 January 2019: | Call for Presentations issued |
| 4 February 2019: | RIPE Fellowship application opens |
| 17 February 2019: | Deadline to apply for RACI |
| 3 March 2019: | Deadline to submit a talk |
| 4 March 2019: | Deadline to apply for the RIPE Fellowship |
| 18 March 2019: | Draft programme published |
| 20 March 2019: | Second Call for Presentations issued |
| 7 April 2019: | Second deadline to submit a talk |
| 15 April 2019: | Hotel Hilton Reykjavík Nordica accommodation discount for RIPE 78 attendees expires |
| 18-19 April 2019: | Final programme published |
| 15-23 May 2019: | Lightning talks submissions accepted |
| 20-24 May 2019: | RIPE 78 takes place at the Hotel Hilton Reykjavík Nordica, Reykjavik |
