⏰Cron Schedules

Every Hour on the Hour

Run at the start of every hour (00:00, 01:00, 02:00, etc.).

Pattern

0 * * * *

Explanation

Runs at minute 0 of every hour - perfect for hourly checks and updates.

Examples

Cron Expression

Output

0 * * * *

Next Runs

Output

10:00, 11:00, 12:00, 13:00, 14:00...

Code Examples

Crontab

# Crontab entry
0 * * * * /path/to/hourly-sync.sh

# Breakdown:
# 0  - At minute 0
# *  - Every hour
# *  - Every day
# *  - Every month
# *  - Every day of week

Python

# Using schedule library
import schedule
import time

def hourly_job():
    print("Running hourly job")
    # Your code here

# Run at the start of every hour
schedule.every().hour.at(":00").do(hourly_job)

while True:
    schedule.run_pending()
    time.sleep(60)

Try it Now

Open in Cron Helper

💡 Tips

Good frequency for data syncing
Consider rate limits on external APIs
Add jitter to avoid thundering herd
Log each execution for monitoring

⚠️ Common Pitfalls

Can be too frequent for slow operations
Consider system load during business hours
External API rate limits may apply