340

The year 340 started on Tuesday, January 1, and ended on Wednesday, December 31. It was a leap year.

Calendar with holidays
Holidays:
 * New Year's Day: Tuesday, January 1
 * Mardi Gras: Tuesday, February 12
 * Ash Wednesday: Wednesday, February 13
 * Leap Day: Friday, February 29
 * Palm Sunday: Sunday, March 23
 * Good Friday: Friday, March 28
 * Easter: Sunday, March 30
 * Halloween: Friday, October 31
 * Christmas Eve: Wednesday, December 24
 * Christmas: Thursday, December 25
 * New Year's Eve: Wednesday, December 31