I had a strange behavior in Ubuntu 20.04 cron job:
* * * * * echo "Hello world!" >> /tmp/hello.log 2>&1 <---working with logs
5 10 * * * echo "Hello world!" >> /tmp/hello.log 2>&1 <---doesn't working, no logs.
My another debian 11 are working fine with both time-set above.
The time/timezone, privilege are all good, any ideas?