Number of weeks in 1880 year is 53 weeks
Weeks are according Canada calendar rules, Sunday first day and weeks are Sunday to Saturday

Week # From Date To Date Weeks from Now
Week 1 December 28, 1879 January 3, 1880 passed 7559 weeks ago
Week 2 January 4, 1880 January 10, 1880 passed 7558 weeks ago
Week 3 January 11, 1880 January 17, 1880 passed 7557 weeks ago
Week 4 January 18, 1880 January 24, 1880 passed 7556 weeks ago
Week 5 January 25, 1880 January 31, 1880 passed 7555 weeks ago
Week 6 February 1, 1880 February 7, 1880 passed 7554 weeks ago
Week 7 February 8, 1880 February 14, 1880 passed 7553 weeks ago
Week 8 February 15, 1880 February 21, 1880 passed 7552 weeks ago
Week 9 February 22, 1880 February 28, 1880 passed 7551 weeks ago
Week 10 February 29, 1880 March 6, 1880 passed 7550 weeks ago
Week 11 March 7, 1880 March 13, 1880 passed 7549 weeks ago
Week 12 March 14, 1880 March 20, 1880 passed 7548 weeks ago
Week 13 March 21, 1880 March 27, 1880 passed 7547 weeks ago
Week 14 March 28, 1880 April 3, 1880 passed 7546 weeks ago
Week 15 April 4, 1880 April 10, 1880 passed 7545 weeks ago
Week 16 April 11, 1880 April 17, 1880 passed 7544 weeks ago
Week 17 April 18, 1880 April 24, 1880 passed 7543 weeks ago
Week 18 April 25, 1880 May 1, 1880 passed 7542 weeks ago
Week 19 May 2, 1880 May 8, 1880 passed 7541 weeks ago
Week 20 May 9, 1880 May 15, 1880 passed 7540 weeks ago
Week 21 May 16, 1880 May 22, 1880 passed 7539 weeks ago
Week 22 May 23, 1880 May 29, 1880 passed 7538 weeks ago
Week 23 May 30, 1880 June 5, 1880 passed 7537 weeks ago
Week 24 June 6, 1880 June 12, 1880 passed 7536 weeks ago
Week 25 June 13, 1880 June 19, 1880 passed 7535 weeks ago
Week 26 June 20, 1880 June 26, 1880 passed 7534 weeks ago
Week 27 June 27, 1880 July 3, 1880 passed 7533 weeks ago
Week 28 July 4, 1880 July 10, 1880 passed 7532 weeks ago
Week 29 July 11, 1880 July 17, 1880 passed 7531 weeks ago
Week 30 July 18, 1880 July 24, 1880 passed 7530 weeks ago
Week 31 July 25, 1880 July 31, 1880 passed 7529 weeks ago
Week 32 August 1, 1880 August 7, 1880 passed 7528 weeks ago
Week 33 August 8, 1880 August 14, 1880 passed 7527 weeks ago
Week 34 August 15, 1880 August 21, 1880 passed 7526 weeks ago
Week 35 August 22, 1880 August 28, 1880 passed 7525 weeks ago
Week 36 August 29, 1880 September 4, 1880 passed 7524 weeks ago
Week 37 September 5, 1880 September 11, 1880 passed 7523 weeks ago
Week 38 September 12, 1880 September 18, 1880 passed 7522 weeks ago
Week 39 September 19, 1880 September 25, 1880 passed 7521 weeks ago
Week 40 September 26, 1880 October 2, 1880 passed 7520 weeks ago
Week 41 October 3, 1880 October 9, 1880 passed 7519 weeks ago
Week 42 October 10, 1880 October 16, 1880 passed 7518 weeks ago
Week 43 October 17, 1880 October 23, 1880 passed 7517 weeks ago
Week 44 October 24, 1880 October 30, 1880 passed 7516 weeks ago
Week 45 October 31, 1880 November 6, 1880 passed 7515 weeks ago
Week 46 November 7, 1880 November 13, 1880 passed 7514 weeks ago
Week 47 November 14, 1880 November 20, 1880 passed 7513 weeks ago
Week 48 November 21, 1880 November 27, 1880 passed 7512 weeks ago
Week 49 November 28, 1880 December 4, 1880 passed 7511 weeks ago
Week 50 December 5, 1880 December 11, 1880 passed 7510 weeks ago
Week 51 December 12, 1880 December 18, 1880 passed 7509 weeks ago
Week 52 December 19, 1880 December 25, 1880 passed 7508 weeks ago
Week 53 December 26, 1880 January 1, 1881 passed 7507 weeks ago