# Question: What is Julian date format?

Contents

Julian date. This format of date is a combination of year plus a relative day number within the year, which is more correctly called an ordinal date. A typical example is 2013-348 in the format YYYYDDD. This is equivalent to a calendar date of December 14 th 2013.

## How do you convert dates to Julian dates?

If you want to convert calendar date to Julian date, you can use below formulas. In a blank cell, type this formula =TEXT(A1,yy)&TEXT((A1-DATEVALUE(1/1/&TEXT(A1,yy))+1),000) and press Enter key, if you need you can apply this formula to a range by dragging the auto fill handle.

## What is a 3 digit Julian date?

Julian Day Table for Non-Leap YearsDATEJANSEP2224533246442475524827 more rows

## How do you read the Julian date on a cigarette?

Many companies use what is called a Julian Date Code. This is usually a six or seven-digit number. The first three numbers represent the actual day of the year the cigarettes were manufactured. For example, if the first three digits read 144, that means the pack was produced on May 24th, the 144th day of the year.

## Why do people use Julian date?

The Julian day is the continuous count of days since the beginning of the Julian period, and is used primarily by astronomers, and in software for easily calculating elapsed days between two events (e.g. food production date and sell by date). The next Julian Period begins in the year AD 3268.

## How do I convert a 6 digit Julian date in Excel?

Convert Julian Date to a Calendar Date in Microsoft ExcelEnter the formula in cell B2.=(1/1/&(IF(LEFT(A2,2)*1<20,2000,1900)+LEFT(A2,2)))+MOD(A2,1000)-1.Press Enter.The function will convert the Julian date format in to Calendar date.4 Feb 2015