Validation criteria cross records

[Kal_Lam]

Welcome to the community, @manh_nguyen! This post discussed previously should help you solve your issue:

Using preceding DATE-TIME question's response to constraint a question

Hi @dianedetoeuf, Would you mind using the datetime instead of using date and time seperately as outlined in the image below (for catch as well): [image] It should solve your issue. Data Entry screen as seen in Enketo: [image] Reference xlsform: Test date and time.xls (28.5 KB) Have a great day!