Number of weeks in 2013 year is 52 weeks
Weeks are according Thailand calendar rules, Monday first day and weeks are Monday to Sunday

Week # From Date To Date Weeks from Now
Week 1 December 31, 2012 January 6, 2013 passed 347 weeks ago
Week 2 January 7, 2013 January 13, 2013 passed 346 weeks ago
Week 3 January 14, 2013 January 20, 2013 passed 345 weeks ago
Week 4 January 21, 2013 January 27, 2013 passed 344 weeks ago
Week 5 January 28, 2013 February 3, 2013 passed 343 weeks ago
Week 6 February 4, 2013 February 10, 2013 passed 342 weeks ago
Week 7 February 11, 2013 February 17, 2013 passed 341 weeks ago
Week 8 February 18, 2013 February 24, 2013 passed 340 weeks ago
Week 9 February 25, 2013 March 3, 2013 passed 339 weeks ago
Week 10 March 4, 2013 March 10, 2013 passed 338 weeks ago
Week 11 March 11, 2013 March 17, 2013 passed 337 weeks ago
Week 12 March 18, 2013 March 24, 2013 passed 336 weeks ago
Week 13 March 25, 2013 March 31, 2013 passed 335 weeks ago
Week 14 April 1, 2013 April 7, 2013 passed 334 weeks ago
Week 15 April 8, 2013 April 14, 2013 passed 333 weeks ago
Week 16 April 15, 2013 April 21, 2013 passed 332 weeks ago
Week 17 April 22, 2013 April 28, 2013 passed 331 weeks ago
Week 18 April 29, 2013 May 5, 2013 passed 330 weeks ago
Week 19 May 6, 2013 May 12, 2013 passed 329 weeks ago
Week 20 May 13, 2013 May 19, 2013 passed 328 weeks ago
Week 21 May 20, 2013 May 26, 2013 passed 327 weeks ago
Week 22 May 27, 2013 June 2, 2013 passed 326 weeks ago
Week 23 June 3, 2013 June 9, 2013 passed 325 weeks ago
Week 24 June 10, 2013 June 16, 2013 passed 324 weeks ago
Week 25 June 17, 2013 June 23, 2013 passed 323 weeks ago
Week 26 June 24, 2013 June 30, 2013 passed 322 weeks ago
Week 27 July 1, 2013 July 7, 2013 passed 321 weeks ago
Week 28 July 8, 2013 July 14, 2013 passed 320 weeks ago
Week 29 July 15, 2013 July 21, 2013 passed 319 weeks ago
Week 30 July 22, 2013 July 28, 2013 passed 318 weeks ago
Week 31 July 29, 2013 August 4, 2013 passed 317 weeks ago
Week 32 August 5, 2013 August 11, 2013 passed 316 weeks ago
Week 33 August 12, 2013 August 18, 2013 passed 315 weeks ago
Week 34 August 19, 2013 August 25, 2013 passed 314 weeks ago
Week 35 August 26, 2013 September 1, 2013 passed 313 weeks ago
Week 36 September 2, 2013 September 8, 2013 passed 312 weeks ago
Week 37 September 9, 2013 September 15, 2013 passed 311 weeks ago
Week 38 September 16, 2013 September 22, 2013 passed 310 weeks ago
Week 39 September 23, 2013 September 29, 2013 passed 309 weeks ago
Week 40 September 30, 2013 October 6, 2013 passed 308 weeks ago
Week 41 October 7, 2013 October 13, 2013 passed 307 weeks ago
Week 42 October 14, 2013 October 20, 2013 passed 306 weeks ago
Week 43 October 21, 2013 October 27, 2013 passed 305 weeks ago
Week 44 October 28, 2013 November 3, 2013 passed 304 weeks ago
Week 45 November 4, 2013 November 10, 2013 passed 303 weeks ago
Week 46 November 11, 2013 November 17, 2013 passed 302 weeks ago
Week 47 November 18, 2013 November 24, 2013 passed 301 weeks ago
Week 48 November 25, 2013 December 1, 2013 passed 300 weeks ago
Week 49 December 2, 2013 December 8, 2013 passed 299 weeks ago
Week 50 December 9, 2013 December 15, 2013 passed 298 weeks ago
Week 51 December 16, 2013 December 22, 2013 passed 297 weeks ago
Week 52 December 23, 2013 December 29, 2013 passed 296 weeks ago