urate calculus uric acid calculus. urethral calculus a urinary calculus in the urethra; symptoms vary according to the patient's sex and the site of lodgment. uric acid calculus a hard, yellow or reddish-yellow urinary calculus formed from uric acid.
In some traditions, the first day of Christmas begins on the evening of December 25th with the following day considered the First Day of Christmas (December 26th). In these traditions, the twelve days begin December 26 and include Epiphany on January 6. The origin and counting of the Twelve Days is complicated, and is related to differences in calendars, church traditions, and ways to observe this holy day in various cultures (see Christmas).
Christmas Date 2013 - Wednesday 25th December. The Christmas Date 2013 was on a Wednesday 25th December. Unlike Ash Wednesday, Thanksgiving Thursday or even Shrove Tuesday, Christmas Day can fall on any day of the week. The last time that Christmas Day fell on a Wednesday was 2008. As you probably know, Boxing Day always follows Christmas Day; what's more, New Year's Day is always the same day of the week as Christmas Day, only one week later. Monday - Has a certain logic, start the week with Christmas!