Year 503 was a common year starting on Wednesday

Common year starting on Wednesday

This is the calendar for any common year starting on Wednesday, January 1 . Examples: Gregorian years 1986, 1997, 2003, 2014 and 2025or Julian year 1903 ....

 (link will display the full calendar) of the Julian calendar

Julian calendar

The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

. At the time, it was known as the Year of the Consulship of Volusianus and Dixicrates (or, less frequently, year 1256 Ab urbe condita

Ab urbe condita

Ab urbe condita is Latin for "from the founding of the City ", traditionally set in 753 BC. AUC is a year-numbering system used by some ancient Roman historians to identify particular Roman years...

). The denomination 503 for this year has been used since the early medieval period, when the Anno Domini

Anno Domini

and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....

 calendar era

Calendar era

A calendar era is the year numbering system used by a calendar. For example, the Gregorian calendar numbers its years in the Western Christian era . The instant, date, or year from which time is marked is called the epoch of the era...

became the prevalent method in Europe for naming years.