Date function

[Kal_Lam]

@Atchuailoux, this post discussed previously should help you solve your issue:

Changing the date format to YYYY when the input date is wrong/incorrect

@aqutysh, maybe you could do it as outlined in the image shared below: In the survey tab of your xlsform: [Image 1] In the choices tab of your xlsform: [Image 2] Data entry screen as seen in Enketo: when the entered date is correct [Image 3] Data entry screen as seen in Enketo: when the entered date is wrong/incomplete [Image 4] Reference xlsform: Date.xlsx (18.9 KB)