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How Many Seconds in a Year? (And Minutes in a Day)

Published on August 27, 2025 by Munshi

Have you ever wondered exactly how many seconds are in a year? It's a classic trivia question, but the answer is a surprisingly large number. This guide will give you the direct answer and show you the simple math behind it.

The Answer: Seconds in a Year

In a standard, non-leap year (365 days), there are 31,536,000 seconds.

Here is the calculation broken down step-by-step:

  1. Minutes in a Day: 60 minutes/hour × 24 hours/day = 1,440 minutes

  2. Seconds in a Day: 1,440 minutes/day × 60 seconds/minute = 86,400 seconds

  3. Seconds in a Year: 86,400 seconds/day × 365 days/year = 31,536,000 seconds

How Many Minutes in a Day?

As shown in the calculation above, there are exactly 1,440 minutes in a day. This is a useful number for planning and scheduling.

How Many Hours in a Week?

To find the number of hours in a week, you simply multiply the hours in a day by the days in a week.

  • 24 hours/day × 7 days/week = 168 hours
    There are 168 hours in one week.

These large-scale time conversions are fascinating and show how quickly small units can add up.

Internal Link: To explore these units and more, visit our comprehensive Time Conversion Calculator.