Options for running cron jobs?

Question

Task Schedulers

59 23 * * * www-data
*/3 00.01 * * * www-data
59 03 * * * www-data
*/3 04.05.06 * * * www-data
Help me understand when and what time these 4 tasks.
Thank you!

Answer 1

1. 23:59
2. From 00:00 to 01:59 every 3 minutes
2. 3:59
4. from 04:00 to 06:59 every 3 minutes