Long format: D MMMM YYYY (Day first, full month name, and year in left-to-right writing direction) for Bilen, English, Tigre and Tigrinya, Since 1996-05-01, the international format yyyy-mm-dd has become the official standard date format, but the handwritten form d. Standardization applies to all applications in the scope of the standard including uses in government, education, engineering and sciences. The number of the month is usually written with Arabic numerals but it also can be written with Roman numerals, or the month's full name can be written out, the first letter not being capitalized. In India, the DD-MM-YY is the predominant short form of the numeric date usage.
Short format: dd/mm/yyyy (Day first, month number and year in left-to-right writing direction) in Afar, French and Somali ("d/m/yy" is a common alternative).
Long format: D MMMM YYYY (Day first, month and year in left-to-right writing direction) for French and Fulah and yyyy. An example of DD-MM-YYYY usage is the passport application form.
Though not yet a common practice, the BIS (Bureau of Indian Standards) of the Government of India introduced the standard named "IS 7901 (Revised in 2006) Data Elements And Interchange Formats – Information Interchange – Representation Of Dates And Times" which officially recommends use of the date format YYYYMMDD in Persian Calendar system ("yy/m/d" is a common alternative).
Gregorian dates follow the same rules in Persian literature but tend to be written in the dd/mm/yyyy format in official English documents.
All sampled submitted to the laboratory are registered, followed by preparation of optimal surfaces for analysis across several growth radii of the tree.