and it is 11 minutes less. so when we keep adding one full day to a leap year, it means we would end up adding 3 extra days in a span of 4 years. so after some few years the clock and days would not be in sync with each other.
for instance, the clock would show 12.00 noon and sun would not be seen at its highest point and it would already have been past. may be after some years the 12 noon on clock would match at the sunrise! and it would take roughly 133 years for the clock and the days to sync in together once again.
thus, to 