Weeks in a year calculation
One Gregorian calendar year has approximately 52 weeks.
Weeks in a common Year
One Gregorian calendar common year has 365 days:
1 common year = 365 days = (365 days) / (7 days/week) = 52,143 weeks = 52 weeks + 1 day
Weeks in a leap year
One Gregorian calendar leap year occures every 4 years, except for years that are divisible by 100 and not divisible by 400.
One Gregorian calendar leap year has 366 days, when February has 29 days:
1 leap year = 366 days = (366 days) / (7 days/week) = 52,286 weeks = 52 weeks + 2 days
Weeks in a year table by year
| Year | Leap Year |
Weeks in a Year |
|---|---|---|
| 2013 | no | 52weeks + 1day |
| 2014 | no | 52weeks + 1day |
| 2015 | no | 52weeks + 1day |
| 2016 | yes | 52weeks + 2days |
| 2017 | no | 52weeks + 1day |
| 2018 | no | 52weeks + 1day |
| 2019 | no | 52weeks + 1day |
| 2020 | yes | 52weeks + 2days |
| 2021 | no | 52weeks + 1day |
| 2022 | no | 52weeks + 1day |
| 2023 | no | 52weeks + 1day |
| 2024 | yes | 52weeks + 2days |
| 2025 | no | 52weeks + 1day |
| 2026 | no | 52weeks + 1day |
| 2027 | no | 52weeks + 1day |
| 2028 | yes | 52weeks + 2day |
| 2029 | no | 52weeks + 1day |
| 2030 | no | 52weeks + 1day |
How many weeks in a year so far
There are 15 weeks and 3 days so far this year (2024).
How many school weeks in a year
US schools have 32-36 weeks in an academic year.
Canada schools have 37-39 weeks in an academic year.