1st week of year 1366

Monday, December 30, 1365 — Sunday, January 5, 1366

• Monday, December 30, 1365
• Tuesday, December 31, 1365
• Wednesday, January 1, 1366
• Thursday, January 2, 1366
• Friday, January 3, 1366
• Saturday, January 4, 1366
• Sunday, January 5, 1366