Weeks: The Babylonians, who lived in modern-day Iraq, decided on a seven-day week for us. A week is a period of seven days that begins on Monday and ends on Sunday, or begins on Sunday and ends on Saturday. Thus a week is formed by the joining of seven days, which includes Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday.

The Babylonians were the world’s most accurate watchers and interpreters of the skies. They came up with the number by observing seven celestial bodies: the Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn. As a result, this figure was exceptional for them. On this page, let us understand everything Weeks and how many weeks we have in a year.

What is the Meaning of a Week?

A week is a series of seven days, either starting from Monday and ending with Sunday or starting from Sunday and ending with Saturday.

The week consists of seven days that are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

Types of Weeks

There are at least six different types of mentioning the name sequence of the days of the week, currently used around the world.

The very common is the International Standard ISO \(8601,\) where Monday is the first day of the week followed by the other weekdays with Sunday as the final and seventh day. Using ISO \(8601,\) can help diminish uncertainty and confusion while communicating internationally.

Not ISO 8601 in US and Canada

Not every country follows this standard, and several countries, including the United States, Canada, Australia and New Zealand, believe Sunday at the start of the week on their calendars.

Which Years Have 53 Weeks?

The week of the year in the Gregorian calendar is numbered from week one to week \(52\) or \(53,\) depending on various factors. Most years have \(52\) weeks, but if the year starts on a Thursday or is a leap year that begins on a Wednesday, that particular year will have \(53\) numbered weeks. These week numbers are used in some European and Asian countries but not in the United States.

When is the Weekend?

As the first day of the week differs in different cultures, so does the weekend. The Christian part of the world marks Sunday as their day of rest and worship, while Muslims refer to Friday as their day of rest and prayers. The Jewish calendar counts Saturday as the Sabbath – the day of rest and worship.

Some of the countries use different colours for the weekends and reserve black or grey for the weekdays.

Babylonian Origins

There are various opinions as to how the seven day week originated. Still, the most common explanation is that it seems to have developed when Babylonian astrologers assigned plane gods to the days of the week around \(700\) BCE. The Romans later replaced these names with their planet gods, and Germanic and Norse people later did the same with some of their gods.

Days Name in 1 Week

There are \(7\) days organized in a week, and you have \(10080\) minutes in a week. And we have \(168\) hours in the week. You can see the names of the week in the shown in the table:

Days of the Week

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Learn All the Concepts on Months

Calculation of Weeks to Months

Weeks and months are two various ways to show the time. You can easily convert the number of weeks into days as you know that you have seven days in \(1\) week.

However,  conversion of the weeks to months is not that easy as you do not have any of the conversion formulas for this.

Now, let us make this week to months calculator, which works on simple logic easier. In a month, you know that we have \(30\) or \(31\) days, and in the week, you have seven days.

Example: Conversion of \(10\) weeks into months.
In \(10\) weeks total number of the day, we have \(10 \times 7 = 70\) days
We know that \(1\) week \( = 7\) days.
Here, \(70\) days \( = 30 + 30 + 10\)
So, you can say that \(10\) weeks is similar to \(2\) months and \(10\) days.
\(\therefore 10\) weeks \( = 2\) months and \(10\) days.

You can use the below-given table for better understanding:

Months	Days	Weeks
January	\(31\) days	\(4\) weeks \(+\,3\) days
February	\(28\) days (regular year) \(29\) days (leap year)	\(4\) weeks \(4\) weeks \(+\,1\) day
March	\(31\) days	\(4\) weeks \(+\,3\) days
April	\(30\) days	\(4\) weeks \(+\,2\) days
May	\(31\) days	\(4\) weeks \(+\,3\) days
June	\(30\) days	\(4\) weeks \(+\,2\) days
July	\(31\) days	\(4\) weeks \(+\,3\) days
August	\(31\) days	\(4\) weeks \(+\,3\) days
September	\(30\) days	\(4\) weeks \(+\,2\) days
October	\(31\) days	\(4\) weeks \(+\,3\) days
November	\(30\) days	\(4\) weeks \(+\,2\) days
December	\(31\) days	\(4\) weeks \(+\,3\) days

Solved Examples – Weeks

Q.1. Write the name of the day which comes in between Saturday and Monday.
Ans: We are given to identify and write the name of the day that comes in between Saturday and Monday.
Recall the names of the seven days:
The names of the week are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
So, you can see the day that comes in between Saturday and Monday is Sunday.
Hence, the required answer is Sunday.

Q.2. Write the name of the day which comes after Wednesday.
Ans: We are given to identify and write the name of the day that comes after Wednesday.
Recall the names of the seven days:
The names of the week are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
So, you can see the day that comes after Wednesday is Thursday.
Hence, the required answer is Thursday.

Q.3. Write the name of the day which comes before Saturday.
Ans: We are given to identify and write the name of the day that comes before Saturday.
Recall the names of the seven days:
The names of the week are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
So, you can see the day that comes before Saturday is Friday.
Hence, the required answer is Friday.

Q.4. Write the name of the day which comes in between Monday and Wednesday.
Ans: We are given to identify and write the name of the day that comes in between Monday and Wednesday.
Recall the names of the seven days:
The names of the week are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
So, you can see the day that comes in between Monday and Wednesday is Tuesday.
Hence, the required answer is Tuesday.

Q.5. Write the name of the day which comes after Tuesday.
Ans: We are given to identify and write the name of the day that comes after Tuesday.
Recall the names of the seven days:
The names of the week are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
So, you can see the day that comes after Tuesday is Wednesday.
Hence, the required answer is Wednesday.

Learn About Different Months in a Calendar

Summary

There are 365 days in a year according to the Gregorian calendar, which is the most frequently used calendar in the world (except for leap years which have 366 days). These days are divided into 12 months, each of which contains either 31 days, 30 days, or 28 days, allowing us to determine the number of weeks in each month. The days are organised into 7-day weeks, giving a total of 52 weeks + 1 day in a year.

In the given article, you can see that we have discussed the term weeks, types of weeks which included Not ISO \(8601\) in US and Canada, the year which has \(53\) weeks, Babylonian Origins followed by the information about the names of the days in the week. We glanced at the calculation of weeks to months, along with an example. Finally, we have given a few of the solved examples and a few FAQs.

Frequently Asked Questions (FAQ) – Weeks

Q.1. How many weeks in a month?
Ans: The conversion of the weeks to months is not that simple as you do not have any of the conversion formulas for this.
In a month, you know that we have \(30\) or \(31\) days, and in the week, you have seven days. So in the month, you have \(4 \times 7 = 28\) days \( + 2\) days in the month of \(30\) days or \(28 + 3\) days in the month of \(31\) days.

Q.2. How do you spell seven days in a week?
Ans: We have seven days in the week, and they are spelt as shown below:
– Monday
– Tuesday
– Wednesday
– Thursday
– Friday
– Saturday
– Sunday

Q.3. Are there any months with three weeks?
Ans: The conversion of the weeks to months is not that simple as you do not have any of the conversion formulas for this.
In a month, you know that we have \(30\) or \(31\) days, and in the week, you have seven days.
So in the three weeks, we have \(3 \times 7 = 21\) days.
Usually, a month has four or four and a half weeks in a month. Hence, there is no month consisting of three weeks.

Q.4. Do all the months have four weeks?
Ans: Each of the months has precisely four weeks, i.e., \(28\) days. In a month, you know that we have \(30\) or \(31\) days, and in the week, you have seven days.
So in the four weeks, we have \(4 \times 7 = 28\) days and \( + 2\) days in the month of \(30\) days and \( + 3\) days in the month of \(31\) days.

Q.5. How many weeks in a year?
Ans: The week of the year in the Gregorian calendar is numbered from week one to week \(52\) or \(53,\) depending on various factors. Most years have \(52\) weeks, but if the year starts on a Thursday or is a leap year that begins on a Wednesday, that particular year will have \(53\) numbered weeks.

Q.6. How many weeks in \(9\) months?
Ans: The number of weeks we have in the nine months and the months we have taken are from January to September.

Months	Days	Weeks
January	\(31\) days	\(4\) weeks \(+\,3\) days
February	\(28\) days (regular year) \(29\) days (leap year)	\(4\) weeks \(4\) weeks \(+\,1\) day
March	\(31\) days	\(4\) weeks \(+\,3\) days
April	\(30\) days	\(4\) weeks \(+\,2\) days
May	\(31\) days	\(4\) weeks \(+\,3\) days
June	\(30\) days	\(4\) weeks \(+\,2\) days
July	\(31\) days	\(4\) weeks \(+\,3\) days
August	\(31\) days	\(4\) weeks \(+\,3\) days
September	\(30\) days	\(4\) weeks \(+\,2\) days

So, we will add the extra days given in the table to get the exact number of weeks.
\(3 + 1 + 3 + 2 + 3 + 2 + 3 + 3 + 2 = 22\) days
Now, divide the numbers \(22 \div 7 = 3\) weeks \( + 1\) day.
Thus, in nine months, we have \(36 + 3 = 39\) weeks \( + 1\) day.

Now you are provided with all the necessary information on the concept of weeks and we hope this detailed article is helpful to you. If you have any queries regarding this article, please ping us through the comment section below and we will get back to you as soon as possible.