days              281 core/ngx_times.c     ngx_uint_t  n, sec, min, hour, mday, mon, year, wday, days, leap;
days              287 core/ngx_times.c     days = n / 86400;
days              291 core/ngx_times.c     wday = (4 + days) % 7;
days              305 core/ngx_times.c     days = days - (31 + 28) + 719527;
days              314 core/ngx_times.c     year = (days + 2) * 400 / (365 * 400 + 100 - 4 + 1);
days              316 core/ngx_times.c     yday = days - (365 * year + year / 4 - year / 100 + year / 400);