Вот пример:
SELECT strftime('%Y', datetime(birthday_field, 'unixepoch', 'localtime'))
AS birthday_year
FROM birthdays;
Ниже приведен полный список действительных strftime()
замен:
%d day of month: 00
%f fractional seconds: SS.SSS
%H hour: 00-24
%j day of year: 001-366
%J Julian day number
%m month: 01-12
%M minute: 00-59
%s seconds since 1970-01-01
%S seconds: 00-59
%w day of week 0-6 with sunday==0
%W week of year: 00-53
%Y year: 0000-9999
%% %