There are 52 weeks in a year. A week is a time period of seven days, and there are 52 of these periods in a year. This means that there are 365 days in a year, divided into 52 equal periods of seven days each. Some years may have an extra week, known as a leap week or leap year, which brings the total number of weeks in the year up to 53. However, this only occurs in certain years, and the majority of years will have 52 weeks.