How many months there are 30 days?

Answer the following questions 1. How many months are there with 30 days? 31 days?
2. Which months have only 30 days?
3. Which months have 31 days each?
4. How many days are there in February in an ordinary year? in a leap
Year 2
5. When does a leap year occur?​

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Among the 12 months in a year, each month has either 30 or 31 days with February being an exception. The second month of the year usually takes 28 days and 29 in every leap year. Here is the complete list of months with the total number of days:

1. January: 31 days
2. February: 28 days and 29 in every leap year
3. March: 31 days
4. April: 30 days
5. May: 31 days
6. June: 30 days
7. July: 31 days
8. August: 31 days
9. September: 30 days
10. October: 31 days
11. November: 30 days
12. December: 31 days

3 Witty Ways To Remember Days Of A Month

It can be confusing for some people to remember how many days there are in a month. Of course, there is the calendar but we might not always have it handy. That's why the human brain has come up with some super cool tricks to help you remember how many days there are in a month.

Let's take a trip down memory lane and remember those fun mnemonics we used as kids to remember the number of days in each month. 

1. Thirty Days Hath September

The poem that we were all taught as kids was " Thirty Days Hath September". It is perhaps one of the most popular ways to remember the number of days in each calendar month. All you have to do is memorize the poem and it goes something like this:

Thirty days hath September,
April, June, and November,
All the rest have thirty-one,
Except February, twenty-eight days clear,
And twenty-nine in each leap year.

 2. The Knuckle Technique

If remembering the poem sounds too much, there is the knuckle technique. It is also another very popular technique that helps people figure out how many months have 31 days and how many have 30.

In this method, you have to fist your hands and start counting January from the first knuckle, then February in the groove (which is the little space between two knuckles).

So, the months that lands on knuckles have 31 days, and the ones that land on the grooves have 30 days (28-29 for February). Both fists can be used for this method or repeated using one fist. However, the thumb knuckle is ignored. We start counting the months from our index finger knuckles. 

3. Use These Acronyms

Another way to remember how many days there are in each month is by using these super fun acronyms. 

For the months that have 31 days, we can use JMMJAOD which stands for Jennie Must Make Juice After Organizing Dishes

For the ones that have less than 31 days, we can use FAJSN which goes Fennels Are Junior Sam's Novel. 

Then around 710 BC Numa Pompilius, the second King of Rome, added January (for the god Janus) and February (from Latin februum meaning purification).

Unfortunately this wrecked the nice numbering system of the later months.

Many years later (44 BC) Quintilis was renamed Iulius (July) in honour of Julius Caesar, and in 8 BC Sextilis was renamed Augustus (August) in honour of Augustus.

1021, 1022, 1023, 1024, 3671, 3672, 3673, 3674, 3675, 3676

12 Month Calendar Seasons Days Weeks Years Introduction to Days, Weeks, Months and Years Measurement Index

A year is divided into 12 months in the modern-day Gregorian calendar. The months are either 28, 29, 30, or 31 days long.

The Gregorian calendar is made up of 12 months, each between 28 and 31 days long.

Create Your Calendar

Each month has either 28, 30, or 31 days during a common year, which has 365 days. During leap years, which occur nearly every 4 years, we add an extra (intercalary) day, Leap Day, on 29 February, making leap years 366 days long.

This is to keep our current calendar aligned with the solar year and astronomical seasons marked by equinoxes and solstices.

The 12 Months

The Gregorian calendar consists of the following 12 months:

1. January - 31 days
2. February - 28 days in a common year and 29 days in leap years
3. March - 31 days
4. April - 30 days
5. May - 31 days
6. June - 30 days
7. July - 31 days
8. August - 31 days
9. September - 30 days
10. October - 31 days
11. November - 30 days
12. December - 31 days

Tracking the Moon's Orbit

The months originated as a way to mark time and break up the year into shorter periods based on the Moon’s orbit around Earth. The word month is even derived from the word Moon.

As far as we know, months were first used in Mesopotamia sometime between the years 500 BCE and 400 BCE to measure the natural period related to the lunar month, or synodic month, which is the time it takes for the Moon to go through all the Moon phases.

Moon phases in your city

How Many Have 28, 29, 30, or 31 Days?

The Gregorian calendar has 4 months that are 30 days long and 7 months that are 31 days long. February is the only month that is 28 days long in common years and 29 days long in leap years.

From 10 to 12 Months

Our current Gregorian calendar and its predecessor, the Julian calendar, both have 12 months. However, the month names we use today are derived from the Roman calendar, which initially had only 10 months, with the calendar year starting in March (Martius).

Calendar with holidays

The Romans named some of the months after their position in the calendar year: September means the 7th month, October the 8th, November the 9th, and December the 10th month. However, when January and February were eventually added and the beginning of the calendar year was moved to January, the position of these months no longer corresponded with the original meaning of their names. Today, we still call the 9th month of the year September, the 7th month.

The Islamic calendar, the Hebrew calendar, and the Hindu calendar also use months to divide up the year. Although the Gregorian calendar is the most commonly used calendar today, other calendars are still used in many parts of the world to calculate certain holidays and annual feasts.

Old Names of Months

Months in the ancient Roman calendar include:

• Mercedonius - an occasional month after February that would be used to realign the Roman calendar. Today we use Leap Day for this alignment.
• Quintilis - renamed July in honor of Julius Caesar in 44 BCE.
• Sextilis - renamed August in honor of Roman Emperor Augustus in 8 BCE.

Topics: January, February, March, April, May, June, July, August, September, October, November, December, Months

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