October 2024
- 1 – Montenegro – Montesong – Song submissions close
- 6 – Luxembourg – Luxembourg Song Contest – Application window closes
- 10 – Albania – Song Festival 63 – Participants to be Revealed
- 10 – Montenegro – Montesong – Participants to be Revealed
- 10 – Spain – Benidorm Fest – Song submissions close
- 11 – Eurovision 2025 – Deadline for broadcasters to withdraw application without a penalty
- 13 – Iceland – Song Contest – Song submissions close
- 15 – Portugal – Song Festival – Song submissions open
- 17 – San Marino – A Voice for San Marino – Casting Day Three
- 18 – San Marino – A Voice for San Marino – Casting Day Four
- 21 – Estonia – Estonian Song – Song submissions close
- 21 – Latvia – Supernova – Song submissions close
- 27 – Denmark – Danish Melodi Grand Prix – Song submissions close
November 2024
- 1 – Netherlands – Deadline for the Netherlands to confirm Eurovision 2025 participation
- 1 – Montenegro – Montesong – Songs to be Revealed
- 1 – Serbia – Song for Eurovision – Song submissions close
- 10 – Ukraine – Vidbir – Song submissions close
- 11 – Estonia – Eesti Laul – Last date for songs and singers to be announced
- 11 – Lithuania – Eurovizija.lt – Song submissions close
- 14 – San Marino – A Voice for San Marino – Casting Day Five
- 15 – Croatia – Dora – Song submissions close
- 15 – San Marino – A Voice for San Marino – Casting Day Six
- 16 – San Marino – A Voice for San Marino – Casting Day Seven
- 18 – Ireland – Eurosong – Song submissions close
- 27 – Montenegro – Montesong – Final
- TBA – Norway – Melodi Grand Prix – Artists for MGP announced
- TBA – Eurovision 2025 – Official List of Participtating Countries
December 2024
- 6 – Estonia – Eesti Laul – Last date for songs to be released
- 12 – San Marino – Una Voce per San Marino – Casting Day Eight
- 13 – San Marino – Una Voce per San Marino – Casting Day Nine
- 14 – San Marino – Una Voce per San Marino – Casting Day Ten
- 20 – Ukraine – Vidbir – Last date for nine finalists to be chosen
- 31 – San Marino – Una Voce per San Marino – Song submissions close
January 2025
- 8 – Finland – UMK – Finalists announced
- 9 – San Marino – A Voice for San Marino – Casting Day Eleven
- 10 – San Marino – A Voice for San Marino – Casting Day Twelve
- 11 – San Marino – A Voice for San Marino – Casting Day Thirteen
- 17 – Ukraine – Vidbir – Finalists announced
- 23 – San Marino – A Voice for San Marino – Casting Day Fourteen
- 24 – San Marino – A Voice for San Marino – Casting Day Fifteen
- 25 – Luxembourg – Luxembourg Song Contest – Final
- 25 – San Marino – A Voice for San Marino – Casting Day Sixteen
- 28 – Spain – Benidorm Fest – Semi-Final One
- 30 – Spain – Benidorm Fest – Semi-Final Two
- TBA – Eurovision 2025 – Eurovision Semi-final Allocation Draw
- TBA – Lithuania – Eurovizija.lt – Semi Finals
- TBA – Norway – Melodi Grand Prix – Artists for MGP announced
February 2025
- 1 – Spain – Benidorm Fest – Final
- 1 – Sweden – Melodifestivalen – Heat One
- 8 – Finland – UMK – Final
- 8 – Sweden – Melodifestivalen – Heat Two
- 11 – Italy – Sanremo Festival – Night One
- 12 – Italy – Sanremo Festival – Night Two
- 13 – Italy – Sanremo Festival – Night Three
- 14 – Italy – Sanremo Festival – Night Four
- 15 – Estonia – Estonian Song – Final
- 15 – Italy – Sanremo Festival – Final Night
- 15 – Sweden – Melodifestivalen – Heat Three
- 17 – San Marino – A Voice for San Marino – Semi-final 1
- 18 – San Marino – A Voice for San Marino – Semi-final 2
- 19 – San Marino – A Voice for San Marino – Semi-final 3
- 20 – San Marino – A Voice for San Marino – Semi-final 4
- 21 – San Marino – A Voice for San Marino – Semi-final 5
- 22 – Sweden – Melodifestivalen – Heat Four
- 23 – San Marino – A Voice for San Marino – Final
- TBA – Ireland – Eurosong – Final
- TBA – Latvia – Supernova – Final
- TBA – Portugal – Song Festival – Semi-Finals
- TBA – Ukraine – Vidbir – Final
March 2025
- 1 – Denmark – Danish Melodi Grand Prix 2025 – Final
- 1 – Sweden – Melodifestivalen 2025 – Heat Five
- 8 – Sweden – Melodifestivalen 2025 – Final
- 22 – Nordic Music Celebration 2025
- 27 – Barcelona Eurovision Party 2025 – Barcelona, Spain – Night One
- 28 – Barcelona Eurovision Party 2025 – Barcelona, Spain – Night Two
- 29 – Barcelona Eurovision Party 2025 – Barcelona, Spain – Night Three
- TBA – Portugal – Song Festival 2025 – Final
April 2025
- 5 – Eurovision in Concert 2025 – Amsterdam, Netherlands
- 17 – PrePartyES 2025 – Madrid, Spain – Night One
- 18 – PrePartyES 2025 – Madrid, Spain – Night Two
- 19 – PrePartyES 2025 – Madrid, Spain – Night Three
May 2025
- 11 – Eurovision Song Contest 2025 – Opening Ceremony & Turquoise Carpet
- 13 – Eurovision Song Contest 2025 – Semi-Final One
- 15 – Eurovision Song Contest 2025 – Semi-Final Two
- 17 – Eurovision Song Contest 2025 – Final