# Explain cron expression
python scripts/cron_scheduler.py "0 9 * * 1-5"

# Get next N run times
python scripts/cron_scheduler.py "*/15 * * * *" --next 5

# Generate cron from description
python scripts/cron_scheduler.py --generate "every day at 9am"

# Validate expression
python scripts/cron_scheduler.py "0 0 * * *" --validate