HOUR_WIDTH        202 ext/date/date_core.c #define MDAY_SHIFT (HOUR_WIDTH + MIN_WIDTH + SEC_WIDTH)
HOUR_WIDTH        203 ext/date/date_core.c #define MON_SHIFT  (MDAY_WIDTH + HOUR_WIDTH + MIN_WIDTH + SEC_WIDTH)
HOUR_WIDTH        209 ext/date/date_core.c #define EX_HOUR(x) (((x) >> HOUR_SHIFT) & PK_MASK(HOUR_WIDTH))