Doesn't Spring start today?

[Drunk Monk]

NO. Spring starts on the vernal equinox and that shifts a little from year to year on our calendar. Our calendar is a little off. First of all, it's solar and built on months (derived from 'moon'). That's a bit absurd because we can have 'blue moons' (a second full moon in a single month). It's really an artifact of previous calanders. Second of all, our calendar is off by about a 1/4 of a day, which is why we have to make a leap year adjustment. But if it's any consulation to you, the Chinese lunar calander has a leap month.

See http://scienceworld.wolfram.com/astronom...uinox.html