Week Numbers 2021 in United Kingdom
Number of weeks in 2021 year is 52 weeks
Weeks are according United Kingdom calendar rules, Monday first day and weeks are Monday to Sunday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | January 4, 2021 | January 10, 2021 | passed 200 weeks ago |
| Week 2 | January 11, 2021 | January 17, 2021 | passed 199 weeks ago |
| Week 3 | January 18, 2021 | January 24, 2021 | passed 198 weeks ago |
| Week 4 | January 25, 2021 | January 31, 2021 | passed 197 weeks ago |
| Week 5 | February 1, 2021 | February 7, 2021 | passed 196 weeks ago |
| Week 6 | February 8, 2021 | February 14, 2021 | passed 195 weeks ago |
| Week 7 | February 15, 2021 | February 21, 2021 | passed 194 weeks ago |
| Week 8 | February 22, 2021 | February 28, 2021 | passed 193 weeks ago |
| Week 9 | March 1, 2021 | March 7, 2021 | passed 192 weeks ago |
| Week 10 | March 8, 2021 | March 14, 2021 | passed 191 weeks ago |
| Week 11 | March 15, 2021 | March 21, 2021 | passed 190 weeks ago |
| Week 12 | March 22, 2021 | March 28, 2021 | passed 189 weeks ago |
| Week 13 | March 29, 2021 | April 4, 2021 | passed 188 weeks ago |
| Week 14 | April 5, 2021 | April 11, 2021 | passed 187 weeks ago |
| Week 15 | April 12, 2021 | April 18, 2021 | passed 186 weeks ago |
| Week 16 | April 19, 2021 | April 25, 2021 | passed 185 weeks ago |
| Week 17 | April 26, 2021 | May 2, 2021 | passed 184 weeks ago |
| Week 18 | May 3, 2021 | May 9, 2021 | passed 183 weeks ago |
| Week 19 | May 10, 2021 | May 16, 2021 | passed 182 weeks ago |
| Week 20 | May 17, 2021 | May 23, 2021 | passed 181 weeks ago |
| Week 21 | May 24, 2021 | May 30, 2021 | passed 180 weeks ago |
| Week 22 | May 31, 2021 | June 6, 2021 | passed 179 weeks ago |
| Week 23 | June 7, 2021 | June 13, 2021 | passed 178 weeks ago |
| Week 24 | June 14, 2021 | June 20, 2021 | passed 177 weeks ago |
| Week 25 | June 21, 2021 | June 27, 2021 | passed 176 weeks ago |
| Week 26 | June 28, 2021 | July 4, 2021 | passed 175 weeks ago |
| Week 27 | July 5, 2021 | July 11, 2021 | passed 174 weeks ago |
| Week 28 | July 12, 2021 | July 18, 2021 | passed 173 weeks ago |
| Week 29 | July 19, 2021 | July 25, 2021 | passed 172 weeks ago |
| Week 30 | July 26, 2021 | August 1, 2021 | passed 171 weeks ago |
| Week 31 | August 2, 2021 | August 8, 2021 | passed 170 weeks ago |
| Week 32 | August 9, 2021 | August 15, 2021 | passed 169 weeks ago |
| Week 33 | August 16, 2021 | August 22, 2021 | passed 168 weeks ago |
| Week 34 | August 23, 2021 | August 29, 2021 | passed 167 weeks ago |
| Week 35 | August 30, 2021 | September 5, 2021 | passed 166 weeks ago |
| Week 36 | September 6, 2021 | September 12, 2021 | passed 165 weeks ago |
| Week 37 | September 13, 2021 | September 19, 2021 | passed 164 weeks ago |
| Week 38 | September 20, 2021 | September 26, 2021 | passed 163 weeks ago |
| Week 39 | September 27, 2021 | October 3, 2021 | passed 162 weeks ago |
| Week 40 | October 4, 2021 | October 10, 2021 | passed 161 weeks ago |
| Week 41 | October 11, 2021 | October 17, 2021 | passed 160 weeks ago |
| Week 42 | October 18, 2021 | October 24, 2021 | passed 159 weeks ago |
| Week 43 | October 25, 2021 | October 31, 2021 | passed 158 weeks ago |
| Week 44 | November 1, 2021 | November 7, 2021 | passed 157 weeks ago |
| Week 45 | November 8, 2021 | November 14, 2021 | passed 156 weeks ago |
| Week 46 | November 15, 2021 | November 21, 2021 | passed 155 weeks ago |
| Week 47 | November 22, 2021 | November 28, 2021 | passed 154 weeks ago |
| Week 48 | November 29, 2021 | December 5, 2021 | passed 153 weeks ago |
| Week 49 | December 6, 2021 | December 12, 2021 | passed 152 weeks ago |
| Week 50 | December 13, 2021 | December 19, 2021 | passed 151 weeks ago |
| Week 51 | December 20, 2021 | December 26, 2021 | passed 150 weeks ago |
| Week 52 | December 27, 2021 | January 2, 2022 | passed 149 weeks ago |