How to set cron to run a file accurately in seconds?

Question

I want set run a file with cron at 12:03:37 every day. How do I set set cron to run a file accurately in seconds?

Answer 1

You could set it up to run at 12:03 and then sleep for 37 seconds:

3 12 * * * root sleep 37; /path/to/your/script