Week Numbers 1866 in South Korea
Number of weeks in 1866 year is 52 weeks
Weeks are according South Korea calendar rules, Sunday first day and weeks are Sunday to Saturday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | December 31, 1865 | January 6, 1866 | passed 8282 weeks ago |
| Week 2 | January 7, 1866 | January 13, 1866 | passed 8281 weeks ago |
| Week 3 | January 14, 1866 | January 20, 1866 | passed 8280 weeks ago |
| Week 4 | January 21, 1866 | January 27, 1866 | passed 8279 weeks ago |
| Week 5 | January 28, 1866 | February 3, 1866 | passed 8278 weeks ago |
| Week 6 | February 4, 1866 | February 10, 1866 | passed 8277 weeks ago |
| Week 7 | February 11, 1866 | February 17, 1866 | passed 8276 weeks ago |
| Week 8 | February 18, 1866 | February 24, 1866 | passed 8275 weeks ago |
| Week 9 | February 25, 1866 | March 3, 1866 | passed 8274 weeks ago |
| Week 10 | March 4, 1866 | March 10, 1866 | passed 8273 weeks ago |
| Week 11 | March 11, 1866 | March 17, 1866 | passed 8272 weeks ago |
| Week 12 | March 18, 1866 | March 24, 1866 | passed 8271 weeks ago |
| Week 13 | March 25, 1866 | March 31, 1866 | passed 8270 weeks ago |
| Week 14 | April 1, 1866 | April 7, 1866 | passed 8269 weeks ago |
| Week 15 | April 8, 1866 | April 14, 1866 | passed 8268 weeks ago |
| Week 16 | April 15, 1866 | April 21, 1866 | passed 8267 weeks ago |
| Week 17 | April 22, 1866 | April 28, 1866 | passed 8266 weeks ago |
| Week 18 | April 29, 1866 | May 5, 1866 | passed 8265 weeks ago |
| Week 19 | May 6, 1866 | May 12, 1866 | passed 8264 weeks ago |
| Week 20 | May 13, 1866 | May 19, 1866 | passed 8263 weeks ago |
| Week 21 | May 20, 1866 | May 26, 1866 | passed 8262 weeks ago |
| Week 22 | May 27, 1866 | June 2, 1866 | passed 8261 weeks ago |
| Week 23 | June 3, 1866 | June 9, 1866 | passed 8260 weeks ago |
| Week 24 | June 10, 1866 | June 16, 1866 | passed 8259 weeks ago |
| Week 25 | June 17, 1866 | June 23, 1866 | passed 8258 weeks ago |
| Week 26 | June 24, 1866 | June 30, 1866 | passed 8257 weeks ago |
| Week 27 | July 1, 1866 | July 7, 1866 | passed 8256 weeks ago |
| Week 28 | July 8, 1866 | July 14, 1866 | passed 8255 weeks ago |
| Week 29 | July 15, 1866 | July 21, 1866 | passed 8254 weeks ago |
| Week 30 | July 22, 1866 | July 28, 1866 | passed 8253 weeks ago |
| Week 31 | July 29, 1866 | August 4, 1866 | passed 8252 weeks ago |
| Week 32 | August 5, 1866 | August 11, 1866 | passed 8251 weeks ago |
| Week 33 | August 12, 1866 | August 18, 1866 | passed 8250 weeks ago |
| Week 34 | August 19, 1866 | August 25, 1866 | passed 8249 weeks ago |
| Week 35 | August 26, 1866 | September 1, 1866 | passed 8248 weeks ago |
| Week 36 | September 2, 1866 | September 8, 1866 | passed 8247 weeks ago |
| Week 37 | September 9, 1866 | September 15, 1866 | passed 8246 weeks ago |
| Week 38 | September 16, 1866 | September 22, 1866 | passed 8245 weeks ago |
| Week 39 | September 23, 1866 | September 29, 1866 | passed 8244 weeks ago |
| Week 40 | September 30, 1866 | October 6, 1866 | passed 8243 weeks ago |
| Week 41 | October 7, 1866 | October 13, 1866 | passed 8242 weeks ago |
| Week 42 | October 14, 1866 | October 20, 1866 | passed 8241 weeks ago |
| Week 43 | October 21, 1866 | October 27, 1866 | passed 8240 weeks ago |
| Week 44 | October 28, 1866 | November 3, 1866 | passed 8239 weeks ago |
| Week 45 | November 4, 1866 | November 10, 1866 | passed 8238 weeks ago |
| Week 46 | November 11, 1866 | November 17, 1866 | passed 8237 weeks ago |
| Week 47 | November 18, 1866 | November 24, 1866 | passed 8236 weeks ago |
| Week 48 | November 25, 1866 | December 1, 1866 | passed 8235 weeks ago |
| Week 49 | December 2, 1866 | December 8, 1866 | passed 8234 weeks ago |
| Week 50 | December 9, 1866 | December 15, 1866 | passed 8233 weeks ago |
| Week 51 | December 16, 1866 | December 22, 1866 | passed 8232 weeks ago |
| Week 52 | December 23, 1866 | December 29, 1866 | passed 8231 weeks ago |