Number of weeks in 1901 year is 52 weeks
Weeks are according Switzerland calendar rules, Monday first day and weeks are Monday to Sunday

Week # From Date To Date Weeks from Now
Week 1 December 31, 1900 January 6, 1901 passed 6463 weeks ago
Week 2 January 7, 1901 January 13, 1901 passed 6462 weeks ago
Week 3 January 14, 1901 January 20, 1901 passed 6461 weeks ago
Week 4 January 21, 1901 January 27, 1901 passed 6460 weeks ago
Week 5 January 28, 1901 February 3, 1901 passed 6459 weeks ago
Week 6 February 4, 1901 February 10, 1901 passed 6458 weeks ago
Week 7 February 11, 1901 February 17, 1901 passed 6457 weeks ago
Week 8 February 18, 1901 February 24, 1901 passed 6456 weeks ago
Week 9 February 25, 1901 March 3, 1901 passed 6455 weeks ago
Week 10 March 4, 1901 March 10, 1901 passed 6454 weeks ago
Week 11 March 11, 1901 March 17, 1901 passed 6453 weeks ago
Week 12 March 18, 1901 March 24, 1901 passed 6452 weeks ago
Week 13 March 25, 1901 March 31, 1901 passed 6451 weeks ago
Week 14 April 1, 1901 April 7, 1901 passed 6450 weeks ago
Week 15 April 8, 1901 April 14, 1901 passed 6449 weeks ago
Week 16 April 15, 1901 April 21, 1901 passed 6448 weeks ago
Week 17 April 22, 1901 April 28, 1901 passed 6447 weeks ago
Week 18 April 29, 1901 May 5, 1901 passed 6446 weeks ago
Week 19 May 6, 1901 May 12, 1901 passed 6445 weeks ago
Week 20 May 13, 1901 May 19, 1901 passed 6444 weeks ago
Week 21 May 20, 1901 May 26, 1901 passed 6443 weeks ago
Week 22 May 27, 1901 June 2, 1901 passed 6442 weeks ago
Week 23 June 3, 1901 June 9, 1901 passed 6441 weeks ago
Week 24 June 10, 1901 June 16, 1901 passed 6440 weeks ago
Week 25 June 17, 1901 June 23, 1901 passed 6439 weeks ago
Week 26 June 24, 1901 June 30, 1901 passed 6438 weeks ago
Week 27 July 1, 1901 July 7, 1901 passed 6437 weeks ago
Week 28 July 8, 1901 July 14, 1901 passed 6436 weeks ago
Week 29 July 15, 1901 July 21, 1901 passed 6435 weeks ago
Week 30 July 22, 1901 July 28, 1901 passed 6434 weeks ago
Week 31 July 29, 1901 August 4, 1901 passed 6433 weeks ago
Week 32 August 5, 1901 August 11, 1901 passed 6432 weeks ago
Week 33 August 12, 1901 August 18, 1901 passed 6431 weeks ago
Week 34 August 19, 1901 August 25, 1901 passed 6430 weeks ago
Week 35 August 26, 1901 September 1, 1901 passed 6429 weeks ago
Week 36 September 2, 1901 September 8, 1901 passed 6428 weeks ago
Week 37 September 9, 1901 September 15, 1901 passed 6427 weeks ago
Week 38 September 16, 1901 September 22, 1901 passed 6426 weeks ago
Week 39 September 23, 1901 September 29, 1901 passed 6425 weeks ago
Week 40 September 30, 1901 October 6, 1901 passed 6424 weeks ago
Week 41 October 7, 1901 October 13, 1901 passed 6423 weeks ago
Week 42 October 14, 1901 October 20, 1901 passed 6422 weeks ago
Week 43 October 21, 1901 October 27, 1901 passed 6421 weeks ago
Week 44 October 28, 1901 November 3, 1901 passed 6420 weeks ago
Week 45 November 4, 1901 November 10, 1901 passed 6419 weeks ago
Week 46 November 11, 1901 November 17, 1901 passed 6418 weeks ago
Week 47 November 18, 1901 November 24, 1901 passed 6417 weeks ago
Week 48 November 25, 1901 December 1, 1901 passed 6416 weeks ago
Week 49 December 2, 1901 December 8, 1901 passed 6415 weeks ago
Week 50 December 9, 1901 December 15, 1901 passed 6414 weeks ago
Week 51 December 16, 1901 December 22, 1901 passed 6413 weeks ago
Week 52 December 23, 1901 December 29, 1901 passed 6412 weeks ago