Build → explain → project → verify
Treat cron as a deployment configuration: confirm dialect, field count, timezone, day-of-month/day-of-week behavior and several future runs before shipping.
Convert minute-based Unix schedules to Quartz with second 0 when day-field semantics can be represented exactly.
Treat cron as a deployment configuration: confirm dialect, field count, timezone, day-of-month/day-of-week behavior and several future runs before shipping.