addedOn
Required. Specifies the format for the date. The following characters can be used:

• d - The day of the month (from 01 to 31)
• D - A textual representation of a day (three letters)
• j - The day of the month without leading zeros (1 to 31)
• l (lowercase 'L') - A full textual representation of a day
• N - The ISO-8601 numeric representation of a day (1 for Monday, 7 for Sunday)
• S - The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
• w - A numeric representation of the day (0 for Sunday, 6 for Saturday)
• z - The day of the year (from 0 through 365)
• W - The ISO-8601 week number of year (weeks starting on Monday)
• F - A full textual representation of a month (January through December)
• m - A numeric representation of a month (from 01 to 12)
• M - A short textual representation of a month (three letters)
• n - A numeric representation of a month, without leading zeros (1 to 12)
• t - The number of days in the given month
• L - Whether it's a leap year (1 if it is a leap year, 0 otherwise)
• o - The ISO-8601 year number
• Y - A four digit representation of a year
• y - A two digit representation of a year
• a - Lowercase am or pm
• A - Uppercase AM or PM
• B - Swatch Internet time (000 to 999)
• g - 12-hour format of an hour (1 to 12)
• G - 24-hour format of an hour (0 to 23)