One Gregorian calendar year has approximately 52 weeks.
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
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
Each column in the chart is 1 week and each row in the chart is a day in a week (e.g first row from the top is Sundays). Each day shows tooltip of the date and week number:
|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|
There are weeks and days so far this year ().
US schools have 32-36 weeks in an academic year.
Canada schools have 37-39 weeks in an academic year.
There are 4 weeks to 4 weeks+3 days in a month (See: Weeks in a month).