Question 1

How many weeks are in a month?

Accepted Answer

Most months have between 4 and 5 weeks. A month with 28 days (like February in non-leap years) has exactly 4 weeks. Months with 30 or 31 days will typically have 4 full weeks plus 2-3 extra days, making up a partial 5th week. Some months can span 6 calendar weeks if they start near the end of a week.

Question 2

Is a week always 7 days?

Accepted Answer

Yes, a week is always 7 days. Our calculator uses 7 days per week for all calculations. The days of the week are consistent worldwide (Monday-Sunday or Sunday-Saturday depending on your locale).

Question 3

Why do some months show 6 calendar rows?

Accepted Answer

A month will show 6 calendar rows when the month starts near the end of the week and has 30-31 days. For example, if a 31-day month starts on a Saturday (or Sunday, depending on your week start setting), it will require 6 rows to display all days in the calendar view.

Question 4

What's the difference between full and partial weeks?

Accepted Answer

A full week is a complete 7-day period that falls entirely within the month. A partial week occurs at the beginning or end of the month when there are fewer than 7 days remaining in that week. For example, if a month starts on a Wednesday, the first 5 days (Wed-Sun) would be a partial week.

Question 5

Can I choose Sunday or Monday as the week start?

Accepted Answer

Yes! You can choose whether the week starts on Sunday or Monday in the tool's settings. This affects how weeks are calculated and displayed in the calendar view.

Question 6

Does daylight saving time affect the calculations?

Accepted Answer

No, our calculator normalizes all dates to avoid DST issues. We use noon local time for all date calculations, which prevents any potential problems that might occur when clocks change for daylight saving time.

Question 7

How accurate are the calculations for very large date ranges?

Accepted Answer

The calculations are accurate for any date in the Gregorian calendar (after 1582). However, for very large date ranges (hundreds or thousands of years), keep in mind that calendar systems and week numbering have changed historically in some regions.

Question 8

What are ISO week numbers?

Accepted Answer

ISO week numbers are a standard way to count weeks in a year according to the ISO 8601 standard. Week 1 is the week containing the first Thursday of the year, and weeks start on Monday. This means some dates in late December or early January might belong to a week in the adjacent year.

Weeks from today