Method 1
1 year consists of 365 days. 1 day has 24 hours, each hour has 60 minutes and each minute has 60 seconds.
This gives the number of seconds in an hour as 60 x 60 = 3600 and the number of seconds in a day as 24 x 3600 = 86400
The number of seconds in 365 days in 86400 x 365 = 31536000 seconds
There are 31536000 seconds in a year.
Method 2
One calendar common year has 365 days:
1 common year = 365 days = (365 days) x (24 hours/day) x (3600 seconds/hour) = 31536000 seconds
One calendar leap year has 366 days (occures every 4 years):
1 leap year = 366 days = (366 days) x (24 hours/day) x (3600 seconds/hour) = 31622400 seconds.
How Many Days Are in September?
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There are 52 weeks in a year, approximately
One calendar common year has 365 days.
So, 1 common year = 365 days
365
= ---------
7
= 52.1428571
= 52 Weeks + 1 Day One calendar leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400.
One calendar leap year has 366 days, when February 29 days.
So, 1 leap year = 366 days
366
= --------
7
= 52.2857143
= 52 weeks + 2 days | Year | Numbers of Days | Leap Year |
Weeks in a Year |
|---|---|---|---|
| 2012 | 366 | yes | 52weeks + 2 days |
| 2013 | 365 | no | 52weeks + 1day |
| 2014 | 365 | no | 52weeks + 1day |
| 2015 | 365 | no | 52weeks + 1day |
| 2016 | 366 | yes | 52weeks + 2days |
| 2017 | 365 | no | 52weeks + 1day |
| 2018 | 365 | no | 52weeks + 1day |
| 2019 | 365 | no | 52weeks + 1day |
| 2020 | 366 | yes | 52weeks + 2days |
| 2021 | 365 | no | 52weeks + 1day |
| 2022 | 365 | no | 52weeks + 1day |
| 2023 | 365 | no | 52weeks + 1day |
| 2024 | 366 | yes | 52weeks + 2days |
| 2025 | 356 | no | 52weeks + 1day |
| 2026 | 365 | no | 52weeks + 1day |
There are 30 days in September.
How Many Days Are in September: September is the ninth month of the year in the Julian and Gregorian calendars, the third of four months to have a length of 30 days, and the fourth of five months to have a length of less than 31 days. In the Northern Hemisphere September is the seasonal equivalent of March in the Southern Hemisphere.
How Many Weekends in a Year: There are 52 weekends in a year for 2021. In most years, there are 52 weekends in a year because there are 52 weeks in a year. However, if a year starts on a weekend, it will end up with 53 weekends.
Also, in the case of a leap year, if a weekend falls on the first two days of the year, there will also be 53 weekends in a year.
Weekend means Saturday & Sunday together. In total we have 52 weeks in a year. So there are 52 weekends in a year.
In normal we have 104 Weekend Days. We know that a Each normal year has 365 days or 52 weeks plus one day, and each week has two weekend days, which means there are approximately 104 weekend days each year.
Whereas in a leap year we have 366 days it adds one more day to the year. And what makes the change is the starting day of the year.
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