There are exactly **52.1428571429** weeks in the year 2017.

This is equivalent to 52 weeks and 1 extra day, since there are 365 total days in 2017.

Most years have 365 days, but a leap year has 366 days. That adds up to 52 weeks (where each week is exactly 7 days) PLUS 1 or 2 additional days. The year 2017 has exactly 365 days.

Now if the year starts on a week in a non-leap year, you end up with 53 weeks. Or if either of the first two days lands on a week during a leap year, then you can also get 53 weeks. Check the calendars below for January and December of 2017 to see exactly where the year starts and ends.

Su | M | Tu | W | Th | F | Sa |

1 | 2 | 3 | 4 | 5 | 6 | 7 |

8 | 9 | 10 | 11 | 12 | 13 | 14 |

15 | 16 | 17 | 18 | 19 | 20 | 21 |

22 | 23 | 24 | 25 | 26 | 27 | 28 |

29 | 30 | 31 |

January 1st, 2017 is a Sunday. It is the 1st day of the year, and in the 1st quarter of the year. There are 31 days in this month. 2017 is not a leap year, so there are 365 days in this year.

Su | M | Tu | W | Th | F | Sa |

1 | 2 | |||||

3 | 4 | 5 | 6 | 7 | 8 | 9 |

10 | 11 | 12 | 13 | 14 | 15 | 16 |

17 | 18 | 19 | 20 | 21 | 22 | 23 |

24 | 25 | 26 | 27 | 28 | 29 | 30 |

31 |

December 31st, 2017 is a Sunday. It is the 365th day of the year, and in the 4th quarter of the year. There are 31 days in this month.

This site provides a tool to count the number of any selected day of the week over an entire year. You can pick any year and find out things like the number of Wednesdays in 2017.

Don't forget to check out the other date calculator tools
available on the site, like the **Days From Today calculator**
that helps you find the date occurring exactly X days from now.
Or if you're trying to count the total number of days between
two dates, you can use the **Date Difference calculator**.

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