What to run
Open Cron Parser. It stays in the browser.
How to read the result
The English line is the schedule.
The field breakdown is minute, hour, day of month, month, day of week.
0 9 * * 1-5 is 09:00 on weekdays, in the server's timezone, which the parser does not know.
Quartz 6-field expressions are out of scope.
What to open next
Open Time Zone Converter to state what 09:00 is in the team's zone. It stays in the browser.
Countdown does not forecast cron.