How many seconds are in a day?

One day has exactly 86,400 seconds (24 hours × 60 minutes × 60 seconds).

How many hours are in a year?

A standard year has 8,760 hours (365 days × 24 hours). A leap year has 8,784 hours. Our converter uses 365.25 days per year.

A year has approximately 52.177 weeks (365.25 days ÷ 7 days per week).

A Julian year is exactly 365.25 days, accounting for leap years on average. A calendar year is either 365 or 366 days.

Convert between seconds, minutes, hours, days, weeks, and years.

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1 minute = 60 seconds. 1 hour = 3,600 seconds. 1 day = 86,400 seconds. 1 year ≈ 365.25 days (accounting for leap years). 1 week = 7 days.