As a number, 1 billion is an almost unimaginable. Here’s a way to help you imagine it. Use 1 billion—with its nine zeros—to measure your time. Look forward or back to your 1-billionth-second birthday. Mark it. Celebrate it. Then keep counting. Measure 1 billion with the seconds of your life.

Your Birthday MM/DD/YYYY

Time of Birth HH:MM AM