Return, as an integer (with 1 = SUN, 2 = MON, ..., and 7 = SAT), the day (of the week) of the date value indicated by the specified year, month, and day. The behavior is undefined unless true == isValidYearMonthDay(year, month, day).
Synopsis
Declared in <bdlt_posixdateimputil.h>
static
int
ymdToDayOfWeek(
int year,
int month,
int day);
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