Julian date is the number of days since start of year. In the example label given you would count 123 days including January 1st. I believe that would be May 3rd in 2018 due to leap year.
Julian date is the number of days since start of year. In the example label given you would count 123 days including January 1st. I believe that would be May 3rd in 2018 due to leap year.