CLOCK_HOURS_24
= FormatUsesAmPm(format) ? CLOCK_HOURS_12 : CLOCK_HOURS_24;
return fCachedUse24HourClock == CLOCK_HOURS_24;
return fExplicitUse24HourClock == CLOCK_HOURS_24;
int8 newUse24HourClock = value ? CLOCK_HOURS_24 : CLOCK_HOURS_12;
if (use24HourClock == CLOCK_HOURS_24)