How to add the seconds in a alarm

hey i want to seconds alarm application

Pls follow the guidelines, it would help others understand your query.

ok thanks i am actually new to community i

Welcome Tharun.

These links might have already discussed your question about an alarm app https://community.appinventor.mit.edu/search?q=alarm

If the links do not answer your specific question, please explain what you have tried in more detail and someone could provide advice.

I think he needs to calculate secs going on like mins & hours for any alarm or clock.