Julian date coding is a popular method for dating non-perishable (shelf-stable) food products like canned goods, boxed cereals, dried pasta or beans, cookies, and crackers. It represents the number of days elapsed since the beginning of the calendar year.

How do you write a Julian date?

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 a Julian date?

To calculate a Julian date from a modern calendar date, you simply figure out how many days have passed since 4713 BCE, then work out any fractions for a time other than noon. Count the number of years between 4713 BCE and your current year.

How do you read a production date code?

The first two digits indicate the year while the 3rd and 4th digits indicate the week of manufacture. The date code can be found printed on the product label. These drawings indicate typical locations of date codes on the product labels.