Go For It 95+
Free Online Tools
With Over 95 Online Tools, PREPOSTSEO Helping Millions of Webmasters, Students, Teachers & SEO Experts Every Month.
Free Online Date Calculator Tool
Add days to a date
Add/subtract duration from a date
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 weeks and days so far this year ().
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.
How many weeks in a month
There are 4 weeks to 4 weeks+3 days in a month (See: Weeks in a month).
Calculate days between 2 dates
Get duration between 2 dates
How many Days are in a Year?
Days in a year calculation
Gregorian calendar year
One calendar common year has 365 days:
1 common year = 365 days
One calendar leap year has 366 days:
1 leap year = 366 days
Leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400.
So the mean length of the Gregorian calendar year is:
1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days
Julian year
Julian year is used for astronomical calculations (light year definition).
One Julian year has 365.25 days:
1 year = 365.25 days
Sidereal year
One sidereal year is the time it takes the Earth to do a single rotation around the sun.
One sidereal year has 365.25636 days:
1 year = 365.25636 days
Tropical year
One tropical year is the time it takes the Earth to complete a single cycle of the 4 seasons.
One tropical year has 365.242189 days:
1 year = 365.242189 days
How many Weeks are in a Month?
Weeks in a month calculation
For 31 days in a month:
(31 days) / (7 days/week) = 4.4286 weeks = 4 weeks + 3 days
For 30 days in a month:
(30 days) / (7 days/week) = 4.2857 weeks = 4 weeks + 2 days
For 28 days in a month:
(28 days) / (7 days/week) = 4 weeks
For 29 days in a month:
(29 days) / (7 days/week) = 4.1429 weeks = 4 weeks + 1 day
Weeks in a month table
| # | Month Name |
Days in Month |
Weeks in Month |
|---|---|---|---|
| 1 | January | 31 days | 4 weeks + 3 days |
| 2 | February | 28 days (common year) 29 days (leap year) |
4 weeks 4 weeks + 1 day |
| 3 | March | 31 days | 4 weeks + 3 days |
| 4 | April | 30 days | 4 weeks + 2 days |
| 5 | May | 31 days | 4 weeks + 3 days |
| 6 | June | 30 days | 4 weeks + 2 days |
| 7 | July | 31 days | 4 weeks + 3 days |
| 8 | August | 31 days | 4 weeks + 3 days |
| 9 | September | 30 days | 4 weeks + 2 days |
| 10 | October | 31 days | 4 weeks + 3 days |
| 11 | November | 30 days | 4 weeks + 2 days |
| 12 | December | 31 days | 4 weeks + 3 days |
* leap year = 2016 / 2020 / 2024 ...
How many Weeks are in a Year?
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 chart
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:
