1st week of year 1321

Monday, December 30, 1320 — Sunday, January 5, 1321

• Monday, December 30, 1320
• Tuesday, December 31, 1320
• Wednesday, January 1, 1321
• Thursday, January 2, 1321
• Friday, January 3, 1321
• Saturday, January 4, 1321
• Sunday, January 5, 1321