n.
1.the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years
Idiom of the Day
in the twinkling of an eye
very quickly
In the twinkling of an eye, the little boy disappeared in the department store.