Week Numbers 2021 in Australia
Number of weeks in 2021 year is 53 weeks
Weeks are according Australia calendar rules, Monday first day and weeks are Monday to Sunday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | December 28, 2020 | January 3, 2021 | passed 200 weeks ago |
| Week 2 | January 4, 2021 | January 10, 2021 | passed 199 weeks ago |
| Week 3 | January 11, 2021 | January 17, 2021 | passed 198 weeks ago |
| Week 4 | January 18, 2021 | January 24, 2021 | passed 197 weeks ago |
| Week 5 | January 25, 2021 | January 31, 2021 | passed 196 weeks ago |
| Week 6 | February 1, 2021 | February 7, 2021 | passed 195 weeks ago |
| Week 7 | February 8, 2021 | February 14, 2021 | passed 194 weeks ago |
| Week 8 | February 15, 2021 | February 21, 2021 | passed 193 weeks ago |
| Week 9 | February 22, 2021 | February 28, 2021 | passed 192 weeks ago |
| Week 10 | March 1, 2021 | March 7, 2021 | passed 191 weeks ago |
| Week 11 | March 8, 2021 | March 14, 2021 | passed 190 weeks ago |
| Week 12 | March 15, 2021 | March 21, 2021 | passed 189 weeks ago |
| Week 13 | March 22, 2021 | March 28, 2021 | passed 188 weeks ago |
| Week 14 | March 29, 2021 | April 4, 2021 | passed 187 weeks ago |
| Week 15 | April 5, 2021 | April 11, 2021 | passed 186 weeks ago |
| Week 16 | April 12, 2021 | April 18, 2021 | passed 185 weeks ago |
| Week 17 | April 19, 2021 | April 25, 2021 | passed 184 weeks ago |
| Week 18 | April 26, 2021 | May 2, 2021 | passed 183 weeks ago |
| Week 19 | May 3, 2021 | May 9, 2021 | passed 182 weeks ago |
| Week 20 | May 10, 2021 | May 16, 2021 | passed 181 weeks ago |
| Week 21 | May 17, 2021 | May 23, 2021 | passed 180 weeks ago |
| Week 22 | May 24, 2021 | May 30, 2021 | passed 179 weeks ago |
| Week 23 | May 31, 2021 | June 6, 2021 | passed 178 weeks ago |
| Week 24 | June 7, 2021 | June 13, 2021 | passed 177 weeks ago |
| Week 25 | June 14, 2021 | June 20, 2021 | passed 176 weeks ago |
| Week 26 | June 21, 2021 | June 27, 2021 | passed 175 weeks ago |
| Week 27 | June 28, 2021 | July 4, 2021 | passed 174 weeks ago |
| Week 28 | July 5, 2021 | July 11, 2021 | passed 173 weeks ago |
| Week 29 | July 12, 2021 | July 18, 2021 | passed 172 weeks ago |
| Week 30 | July 19, 2021 | July 25, 2021 | passed 171 weeks ago |
| Week 31 | July 26, 2021 | August 1, 2021 | passed 170 weeks ago |
| Week 32 | August 2, 2021 | August 8, 2021 | passed 169 weeks ago |
| Week 33 | August 9, 2021 | August 15, 2021 | passed 168 weeks ago |
| Week 34 | August 16, 2021 | August 22, 2021 | passed 167 weeks ago |
| Week 35 | August 23, 2021 | August 29, 2021 | passed 166 weeks ago |
| Week 36 | August 30, 2021 | September 5, 2021 | passed 165 weeks ago |
| Week 37 | September 6, 2021 | September 12, 2021 | passed 164 weeks ago |
| Week 38 | September 13, 2021 | September 19, 2021 | passed 163 weeks ago |
| Week 39 | September 20, 2021 | September 26, 2021 | passed 162 weeks ago |
| Week 40 | September 27, 2021 | October 3, 2021 | passed 161 weeks ago |
| Week 41 | October 4, 2021 | October 10, 2021 | passed 160 weeks ago |
| Week 42 | October 11, 2021 | October 17, 2021 | passed 159 weeks ago |
| Week 43 | October 18, 2021 | October 24, 2021 | passed 158 weeks ago |
| Week 44 | October 25, 2021 | October 31, 2021 | passed 157 weeks ago |
| Week 45 | November 1, 2021 | November 7, 2021 | passed 156 weeks ago |
| Week 46 | November 8, 2021 | November 14, 2021 | passed 155 weeks ago |
| Week 47 | November 15, 2021 | November 21, 2021 | passed 154 weeks ago |
| Week 48 | November 22, 2021 | November 28, 2021 | passed 153 weeks ago |
| Week 49 | November 29, 2021 | December 5, 2021 | passed 152 weeks ago |
| Week 50 | December 6, 2021 | December 12, 2021 | passed 151 weeks ago |
| Week 51 | December 13, 2021 | December 19, 2021 | passed 150 weeks ago |
| Week 52 | December 20, 2021 | December 26, 2021 | passed 149 weeks ago |
| Week 53 | December 27, 2021 | January 2, 2022 | passed 148 weeks ago |