Search for a tool
Nth Day of the Year

Tool to compute the day number in a year, nth day of the year, the number of days since the first January in the Gregorian Calendar (N-th day).

Results

Nth Day of the Year -

Tag(s) : Date and Time

Share
dCode and more

dCode is free and its tools are a valuable help in games, maths, geocaching, puzzles and problems to solve every day!
A suggestion ? a feedback ? a bug ? an idea ? Write to dCode!

Please, check our dCode Discord community for help requests!
NB: for encrypted messages, test our automatic cipher identifier!

Feedback and suggestions are welcome so that dCode offers the best 'Nth Day of the Year' tool for free! Thank you!

# Nth Day of the Year

## Calculation of the date for the nth day of the year

### What it the nth day of the year? (Definition)

The day of year calculator uses the number of days between the date of 1st january and the desired day. It takes into account the number of days in each month and if it is a leap year or not.

### How to calculate the nth day of the year?

Automatic method: use dCode and indicate the day and month of a date, and if the year is leap year.

Example: The 1st January 2024 is the day 1

Example: The 31th december is the 365th (for non-leap year)

Manual method: count the days patiently or use the table:

 50th day 19/02 100th day 10/04 123th day 03/05 150th day 30/05 183th day (365/2) 02/07 200th day 19/07 250th day 07/09 256th day 13/09 300th day 27/10 350th day 16/12

The calculation to be made is the date difference between 2 dates: the first day of the year and the current day.

### What is the middle day of the year?

A year has 365 or 366 days, the middle day of a year is the 183rd or July 2nd.

### What is the calendar number?

A calendar number is the (rare) name given to the day number in a year.

### How to convert an nth day to date in Excel?

Type the formula =DATE(YEAR(TODAY()),1,A1) by replacing N with the day number to obtain the corresponding date in the current year. Replace YEAR(TODAY()) with any year value if needed.

## Source code

dCode retains ownership of the "Nth Day of the Year" source code. Except explicit open source licence (indicated Creative Commons / free), the "Nth Day of the Year" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Nth Day of the Year" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Nth Day of the Year" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
Reminder : dCode is free to use.

## Cite dCode

The copy-paste of the page "Nth Day of the Year" or any of its results, is allowed (even for commercial purposes) as long as you credit dCode!
Exporting results as a .csv or .txt file is free by clicking on the export icon
Cite as source (bibliography):
Nth Day of the Year on dCode.fr [online website], retrieved on 2024-06-24, https://www.dcode.fr/nth-day-year

## Need Help ?

Please, check our dCode Discord community for help requests!
NB: for encrypted messages, test our automatic cipher identifier!