1st week of year 1057

Monday, December 29, 1056 — Sunday, January 4, 1057

• Monday, December 29, 1056
• Tuesday, December 30, 1056
• Wednesday, December 31, 1056
• Thursday, January 1, 1057
• Friday, January 2, 1057
• Saturday, January 3, 1057
• Sunday, January 4, 1057