Once(now()) gives 2 date formats from different tablets

[Kal_Lam]

@ricard99, maybe this post discussed previously should also help you get some insights …

Calculate survey time from Metadata

Hi @rahhal, If this is your requirement, you could do it as shown in the image below: In the survey tab of your xlsform: [Image 1] Data recorded in the KoBoToolbox server: [Image 2] Reference xlsform: Start & End Time (Metadata).xlsx (9.7 KB) N.B. Please note that the time difference calculated in this approach cannot be displayed in the form as you are not able to capture the end time. End time are captured once you press the Save button or the Submit button. Have a great day!

And this post too …

How to calculate time taken?

@rshrestha_winrock, we have a bunch of workarounds discussed previously (it should help you meet your needs): Another one … One more … This could also be helpful …