# How many Seconds in Hour / Seconds in a Day / Seconds in a Year

### 1. How many Seconds in Hour

Every Hour has 60 minutes and every minute has 60 seconds.

Seconds in one Hour = Minutes in one hour x Seconds in one minute

= 60 X 60

= 3600 sec

There are 3600 seconds in hour.

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### 2. How many seconds in a day

Every minutes has 60 seconds, there are 60 minutes in 1 hour and 24 hours in a day.

• seconds in 1 minute [ 1 min = 60 sec ]
• minutes in 1 hour [ 1 hour = 60 min ]
• hours in 1 day [ 1 day = 24 hour ]

Seconds in one day = Seconds in one minute x Minutes in one hour x Hours in one day

= 60 X 60 X 24

= 86400 seconds

Every day has 86400 seconds [ 1 day = 86400 sec]

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### 3. How many seconds in a year

Every minutes has 60 seconds, there are 60 minutes in 1 hour and 24 hours in a day.

• Seconds in 1 minute [ 1 min = 60 sec ]
• Minutes in 1 hour [ 1 hour = 60 min ]
• Hours in 1 day [ 1 day = 24 hour ]
• Day in 1 non leap year [ 1 year = 365 days ]
• Day in 1 leap year [ 1 year = 365 days ]

Seconds in one non leap year = Seconds in one minute x Minutes in one hour x Hours in one day X Day in one non leap year

= 60 X 60 X 24 X 365

= 31536000 sec

Seconds in one leap year = Seconds in one minute x Minutes in one hour x Hours in one day X Day in one leap year

= 60 X 60 X 24 X 366

= 31622400 sec

Every non leap year has 31536000 seconds and leap year has 31622400 seconds.