Cron First of Every Month

Expression: 0 0 1 * *

What Does 0 0 1 * * Mean?

• 0 = Minute 0
• 0 = Hour 0 (midnight)
• 1 = 1st day of month
• * = Every month
• * = Every day of week

Common Use Cases

💰 Billing & Invoicing

• 0 0 1 * * /scripts/generate-invoices.sh - Generate monthly invoices
• 0 8 1 * * /scripts/charge-subscriptions.sh - Process subscriptions at 8 AM

📊 Monthly Reports

• 0 0 1 * * /scripts/monthly-report.sh - Generate monthly analytics
• 0 6 1 * * /scripts/send-monthly-summary.sh - Send monthly summary

💾 Monthly Backups

• 0 2 1 * * /scripts/monthly-full-backup.sh - Full monthly backup
• 0 3 1 * * /scripts/archive-logs.sh - Archive monthly logs

🧹 Maintenance

• 0 4 1 * * /scripts/cleanup-old-data.sh - Clean old data monthly

Other Monthly Options

• 0 0 1 * * - 1st of every month
• 0 0 15 * * - 15th of every month
• 0 0 1,15 * * - 1st and 15th of every month
• 0 0 1 * * - Last day of month (use with care)