What is a Julian date calendar used for?

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).

What is a Julian code date?

A Julian date is a count of the number of days that have elapsed since noon on January 1, 4137 BC. Its calculated by adding up all the full days that have passed since that date, then adding any additional elapsed hours, minutes, and seconds in a decimal format.

Is a Julian date an expiration date?

Breaking it down – A Julian date is usually a 4 or 5 digit number starting with the last 2 digits of the year the item is made. The last three numbers correlate with the day of the year the product is made. The Julian date is NOT the expiration date, but rather the manufacture date.

How do you read date codes on cigarettes?

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. The next two digits indicate the year produced.

How do you read a product date code?

Read the numbers after the letter as the date of the month and the year in which the item was produced.For example, if a code reads “D1519,” that means April 15, 2019.Many products might have a closed code as well as an open-date code.