| Month | Deadline | Data Processing (week commencing) |
| January (2025) | No data processing | |
| February | 24 January | 3 February |
| March | 21 February | 3 March |
| April | 28 March | 7 April |
| May | 25 April | 6 May |
| June | 23 May | 2 June |
| July | 27 June | 14 July |
| August | No data processing | |
| September | 22 August | 1 September |
| October | 26 September | 6 October |
| November | 29 October | 3 November |
| December | No data processing | |
| Month | Deadline | Data Processing (week commencing) |
| January (2026) | 19 December (2025) | 12 January |
| February | 23 January | 2 February |
| March | 27 February | 9 March |
| April | 27 March | 7 April |
| May | 24 April | 5 May |
| June | 22 May | 1 June |
| July | 26 June | 6 July |
| August | No data processing | |
| September | 28 August | 7 September |
| October | 25 September | 5 October |
| November | 23 October | 2 November |
| December | 27 November | 7 December |
Any datasets shared with GBIF will be updated on GBIF each month.
Please send your dataset(s) to data@nbnatlas.org by the deadlines listed above. We have guidance and templates for submitting datasets to the NBN Atlas and if you have any questions please contact data@nbnatlas.org.