## How many weeks are there in a year?

**52 weeks**

Precise answer: **Just under 52 weeks 1 day and 6 hours**

## 52 weeks 1 day and just under 6 hours

1 year is the time it takes for the earth to go around the sun. But since the Earth spins on it’s axis and we call one of those spins a day, then we can give a measurement in days and therefore weeks fairly accurately.

We all know there are **7 days in a week**. But I’ve always wondered why people say there are 52 weeks in a year.

After all, 52*7 is only 364 and we all know **there are 365 days in a non-leap year and 366 days in a leap year**.

Therefore **there are always MORE than 52 weeks in a year**. Sometimes 52 weeks 1 day (non-leap year). Sometimes 52 weeks and 2 days (leap year).

### A leap year occurs every year that is divisible 4 with the exception of every century year not divisible by 400

It is fairly common for people to say there are actually 365 and a quarter days (365.25) in a year. But that is also wrong as this doesn’t account for the centuries that are not divisible by 400 and therefore not a leap year. It would be correct to say that **‘it takes the earth just less than 365.25 days to go around the sun’**.

In the Gregorian calendar there are only 365 days, therefore on leap years an extra day is added on February 29th to account for this quarter of a day deviation, which would otherwise lead to the calendar being out of sync with reality after not too long. The next leap day is February 29th 2020.

## Is 2016 a leap year?

Yes. It is divisible by 4

## Is 2017 a leap year?

No. It is NOT divisible by 4

## Is 2018 a leap year?

No. It is NOT divisible by 4

## Is 2019 a leap year?

No. It is NOT divisible by 4

## Is 2020 a leap year?

Yes. It is divisible by 4

## Is 2000 a leap year?

Yes. It is centurial and it is divisible by 400

## Is 1900 a leap year?

No. It is centurial and NOT divisible by 400

## Is 2100 a leap year?

No. It is centurial and NOT divisible by 400

## What about working days?

How many working days are there in a year?

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