Need cron expression for running job at 4.30 AM, 5 AM, 5.15 AM & 5.30 AM

[singh_sumit (Sumit Singh Tariyal)]

Cron expression for 4:30 AM, 5:00 AM, and 5:30 AM
30 4-5 * * 1-5

Cron expression for 5:15 AM explicitly
15 5 * * 1-5

CHEERS