Days Calculator

 

 

 

How many days between two dates?

It sounds like an easy question to answer if you have to calculate the number of days over a short period of time, say 3-4 weeks or 2 months. Yet as the period gets longer, say a few years, months, and days, it gets a bit more complicated (e.g., the age of someone or an anniversary date). Since we want answers instantly, tools that calculate the number of days between two dates are very helpful.

This handy tool calculates the days between dates quickly. Some additional uses of this date calculator are:

• How many days are between the periods?
• How many days since the contract started?
• How many days are left until December?
• A useful day counter
• Count the days until Christmas
• How many days are remaining until a specific date?
• Find the number of days between a specific range
• Count days between two dates
• Calculate the number of days from this date to that date

Note: the dates you enter must be in the following format: DD/MM/YYYY.

 

How many days are there between two dates?

When you don’t have access to the Internet to use such calculators, you can get your answer with a bit of math.

For example, let’s find the number of days between Independence Day (July 4) and Christmas (December 25).

So, to calculate the days between, we just sum up the number of days in a month.

We know that there are 30 days in September and November and 31 days in July, August, October, and December.

Tip: to remember the number of days in a month, we use the following mnemonic:

"Thirty days have September, April, June, and November. February has 28 alone (or 29 in a leap year), And all the rest have 31."

If the month has already started or is ending earlier than the end of the month, then we subtract the additional days. For example, in July, we will subtract 4 days and December 7 days, as December has 31 days.

This results in the number of days between July 4 and December 25 is 174 days.

 

How to identify the number of days difference between two dates in the same month?

To identify the number of days between 2 dates of the same month is even easier:

For example, we need to do a simple calculation to calculate the days difference from December 7 to December 25.

Tip: If we want to include the last day, we add a + 1 to the result.

 

How many days between dates calculation?

To calculate the days between dates using Excel, you can find the answer using the following formula:

Days between dates = Newer date - Older date

For example, in Cell A2, we insert the older date; in Cell B2, we add the new date; and in C2, we have the formula = new date - old date, and when we click enter, we get the desired result.

• A2 = May 10, 2025
• B2 = Sept 17, 2025
• C2 = B2-A2
• C2 = 130 days

 

How long is 180 days in months?

To calculate the number of days to months, let's say 30 days equals one month. So, dividing 180 days by 30 results 6. Therefore, 180 days is equal to six months. Note there are also months with 29 and 31 days, so, you get a more accurate result by dividing the number of days by 30.417 days per month (180/30.417 = ~5.9178 months).