Number of weeks in 1980 year is 52 weeks
Weeks are according Luxembourg calendar rules, Monday first day and weeks are Monday to Sunday

Week # From Date To Date Weeks from Now
Week 1 December 31, 1979 January 6, 1980 passed 2342 weeks ago
Week 2 January 7, 1980 January 13, 1980 passed 2341 weeks ago
Week 3 January 14, 1980 January 20, 1980 passed 2340 weeks ago
Week 4 January 21, 1980 January 27, 1980 passed 2339 weeks ago
Week 5 January 28, 1980 February 3, 1980 passed 2338 weeks ago
Week 6 February 4, 1980 February 10, 1980 passed 2337 weeks ago
Week 7 February 11, 1980 February 17, 1980 passed 2336 weeks ago
Week 8 February 18, 1980 February 24, 1980 passed 2335 weeks ago
Week 9 February 25, 1980 March 2, 1980 passed 2334 weeks ago
Week 10 March 3, 1980 March 9, 1980 passed 2333 weeks ago
Week 11 March 10, 1980 March 16, 1980 passed 2332 weeks ago
Week 12 March 17, 1980 March 23, 1980 passed 2331 weeks ago
Week 13 March 24, 1980 March 30, 1980 passed 2330 weeks ago
Week 14 March 31, 1980 April 6, 1980 passed 2329 weeks ago
Week 15 April 7, 1980 April 13, 1980 passed 2328 weeks ago
Week 16 April 14, 1980 April 20, 1980 passed 2327 weeks ago
Week 17 April 21, 1980 April 27, 1980 passed 2326 weeks ago
Week 18 April 28, 1980 May 4, 1980 passed 2325 weeks ago
Week 19 May 5, 1980 May 11, 1980 passed 2324 weeks ago
Week 20 May 12, 1980 May 18, 1980 passed 2323 weeks ago
Week 21 May 19, 1980 May 25, 1980 passed 2322 weeks ago
Week 22 May 26, 1980 June 1, 1980 passed 2321 weeks ago
Week 23 June 2, 1980 June 8, 1980 passed 2320 weeks ago
Week 24 June 9, 1980 June 15, 1980 passed 2319 weeks ago
Week 25 June 16, 1980 June 22, 1980 passed 2318 weeks ago
Week 26 June 23, 1980 June 29, 1980 passed 2317 weeks ago
Week 27 June 30, 1980 July 6, 1980 passed 2316 weeks ago
Week 28 July 7, 1980 July 13, 1980 passed 2315 weeks ago
Week 29 July 14, 1980 July 20, 1980 passed 2314 weeks ago
Week 30 July 21, 1980 July 27, 1980 passed 2313 weeks ago
Week 31 July 28, 1980 August 3, 1980 passed 2312 weeks ago
Week 32 August 4, 1980 August 10, 1980 passed 2311 weeks ago
Week 33 August 11, 1980 August 17, 1980 passed 2310 weeks ago
Week 34 August 18, 1980 August 24, 1980 passed 2309 weeks ago
Week 35 August 25, 1980 August 31, 1980 passed 2308 weeks ago
Week 36 September 1, 1980 September 7, 1980 passed 2307 weeks ago
Week 37 September 8, 1980 September 14, 1980 passed 2306 weeks ago
Week 38 September 15, 1980 September 21, 1980 passed 2305 weeks ago
Week 39 September 22, 1980 September 28, 1980 passed 2304 weeks ago
Week 40 September 29, 1980 October 5, 1980 passed 2303 weeks ago
Week 41 October 6, 1980 October 12, 1980 passed 2302 weeks ago
Week 42 October 13, 1980 October 19, 1980 passed 2301 weeks ago
Week 43 October 20, 1980 October 26, 1980 passed 2300 weeks ago
Week 44 October 27, 1980 November 2, 1980 passed 2299 weeks ago
Week 45 November 3, 1980 November 9, 1980 passed 2298 weeks ago
Week 46 November 10, 1980 November 16, 1980 passed 2297 weeks ago
Week 47 November 17, 1980 November 23, 1980 passed 2296 weeks ago
Week 48 November 24, 1980 November 30, 1980 passed 2295 weeks ago
Week 49 December 1, 1980 December 7, 1980 passed 2294 weeks ago
Week 50 December 8, 1980 December 14, 1980 passed 2293 weeks ago
Week 51 December 15, 1980 December 21, 1980 passed 2292 weeks ago
Week 52 December 22, 1980 December 28, 1980 passed 2291 weeks ago