Top Definition
Calendar system containing 13 months. January, Febuary, March, April, May, June, July, Urbanuary, August, September, October, November, December.

Follows more closely the moon cycles. All months have 28 days, there is one day at end of year called Jayday which is in no month. Every four years there are two Jaydays to stay in line with leap year of the Gregorian calendar.
I will be taking the month of Urbanuary off please refer back to the Jagorian calendar for more info.

That happens only on the second Jayday of the week.
by Jay Urbanski April 10, 2007

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