relevant bits are:
Quote:
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Originally Posted by @calibre manual
format_date(x, date_format) – format_date(val, format_string) – format the value, which must be a date field, using the format_string, returning a string. The formatting codes are: yy : the year as two digit number (00 to 99).
yyyy : the year as four digit number. |
So in advanced formatting mode that would be:
{pubdate:format_date(yyyy)}