1st week of year 1423

Monday, December 30, 1422 — Sunday, January 5, 1423

• Monday, December 30, 1422
• Tuesday, December 31, 1422
• Wednesday, January 1, 1423
• Thursday, January 2, 1423
• Friday, January 3, 1423
• Saturday, January 4, 1423
• Sunday, January 5, 1423