1st week of year 1237

Monday, December 29, 1236 — Sunday, January 4, 1237

• Monday, December 29, 1236
• Tuesday, December 30, 1236
• Wednesday, December 31, 1236
• Thursday, January 1, 1237
• Friday, January 2, 1237
• Saturday, January 3, 1237
• Sunday, January 4, 1237