It differs from one leap year to another. It will be either 52 or 53. If a leap year starts on a Thursday or a Friday, then it will have 53 Fridays, otherwise it will have 52 Fridays.
52 weeks in one year .
There are 52 weeks in a year. They are 52 weeks on a 1 calender year.
The answer very much depends on the year. One calendar year has a minimum of four eclipses, which are two solar eclipses and two lunar eclipses. A year can have as many as seven eclipses. So each year is different.
According to the Gregorian calendar, 12 months = 1 year
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Yes it is possible to have 51 full weeks (including 51 Fridays) in a year. A standard year has 365 days. 51 weeks is a total of 357 days. In fact, a standard year has 52 weeks (with 52 Fridays) plus one extra day.
In a Leap Year one day is added to the calendar - February 29.
365¼ days in a year. The average Gregorian calendar year is 365.2425 days. The average actual tropical year is about 365.2422 days. (The average Julian calendar year was 365.25 days.)
One year of a lunar calendar has 12 months, but it's about 11 days shorter than one year of the Gregorian calendar. A lunisolar calendar has months that are based on the cycle of the moon phases, but it also has leap years to keep the average length of a year close to the time it takes for the earth to orbit the sun. A regular year of a lunisolar calendar has 12 months, and a leap year has 13 months.
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There are 53 Fridays in 2010, the last one of which falls on December 31, 2010.