40th week of year 1581

Monday, September 28, 1581 — Sunday, October 4, 1581

• Monday, September 28, 1581
• Tuesday, September 29, 1581
• Wednesday, September 30, 1581
• Thursday, October 1, 1581
• Friday, October 2, 1581
• Saturday, October 3, 1581
• Sunday, October 4, 1581