All 52 Weeks of 2051
| Week | Starts (Mon) | Ends (Sun) | Federal holidays |
|---|---|---|---|
| 1 | Jan 2, 2051 | Jan 8, 2051 | — |
| 2 | Jan 9, 2051 | Jan 15, 2051 | — |
| 3 | Jan 16, 2051 | Jan 22, 2051 | MLK Day |
| 4 | Jan 23, 2051 | Jan 29, 2051 | — |
| 5 | Jan 30, 2051 | Feb 5, 2051 | — |
| 6 | Feb 6, 2051 | Feb 12, 2051 | — |
| 7 | Feb 13, 2051 | Feb 19, 2051 | — |
| 8 | Feb 20, 2051 | Feb 26, 2051 | Presidents' Day |
| 9 | Feb 27, 2051 | Mar 5, 2051 | — |
| 10 | Mar 6, 2051 | Mar 12, 2051 | — |
| 11 | Mar 13, 2051 | Mar 19, 2051 | — |
| 12 | Mar 20, 2051 | Mar 26, 2051 | — |
| 13 | Mar 27, 2051 | Apr 2, 2051 | — |
| 14 | Apr 3, 2051 | Apr 9, 2051 | — |
| 15 | Apr 10, 2051 | Apr 16, 2051 | — |
| 16 | Apr 17, 2051 | Apr 23, 2051 | — |
| 17 | Apr 24, 2051 | Apr 30, 2051 | — |
| 18 | May 1, 2051 | May 7, 2051 | — |
| 19 | May 8, 2051 | May 14, 2051 | — |
| 20 | May 15, 2051 | May 21, 2051 | — |
| 21 | May 22, 2051 | May 28, 2051 | — |
| 22 | May 29, 2051 | Jun 4, 2051 | Memorial Day |
| 23 | Jun 5, 2051 | Jun 11, 2051 | — |
| 24 | Jun 12, 2051 | Jun 18, 2051 | — |
| 25 | Jun 19, 2051 | Jun 25, 2051 | Juneteenth |
| 26 | Jun 26, 2051 | Jul 2, 2051 | — |
| 27 | Jul 3, 2051 | Jul 9, 2051 | Independence Day |
| 28 | Jul 10, 2051 | Jul 16, 2051 | — |
| 29 | Jul 17, 2051 | Jul 23, 2051 | — |
| 30 | Jul 24, 2051 | Jul 30, 2051 | — |
| 31 | Jul 31, 2051 | Aug 6, 2051 | — |
| 32 | Aug 7, 2051 | Aug 13, 2051 | — |
| 33 | Aug 14, 2051 | Aug 20, 2051 | — |
| 34 | Aug 21, 2051 | Aug 27, 2051 | — |
| 35 | Aug 28, 2051 | Sep 3, 2051 | — |
| 36 | Sep 4, 2051 | Sep 10, 2051 | Labor Day |
| 37 | Sep 11, 2051 | Sep 17, 2051 | — |
| 38 | Sep 18, 2051 | Sep 24, 2051 | — |
| 39 | Sep 25, 2051 | Oct 1, 2051 | — |
| 40 | Oct 2, 2051 | Oct 8, 2051 | — |
| 41 | Oct 9, 2051 | Oct 15, 2051 | Columbus Day |
| 42 | Oct 16, 2051 | Oct 22, 2051 | — |
| 43 | Oct 23, 2051 | Oct 29, 2051 | — |
| 44 | Oct 30, 2051 | Nov 5, 2051 | — |
| 45 | Nov 6, 2051 | Nov 12, 2051 | Veterans Day |
| 46 | Nov 13, 2051 | Nov 19, 2051 | — |
| 47 | Nov 20, 2051 | Nov 26, 2051 | Thanksgiving |
| 48 | Nov 27, 2051 | Dec 3, 2051 | — |
| 49 | Dec 4, 2051 | Dec 10, 2051 | — |
| 50 | Dec 11, 2051 | Dec 17, 2051 | — |
| 51 | Dec 18, 2051 | Dec 24, 2051 | — |
| 52 | Dec 25, 2051 | Dec 31, 2051 | Christmas Day |
2051 Week Numbers FAQ
How many weeks are in 2051?
2051 has 52 ISO weeks. Week 1 runs from Monday, January 2, 2051 to Sunday, January 8, 2051, and week 52 ends on Sunday, December 31, 2051.
What week number is January 1, 2051?
January 1, 2051 is a Sunday, so it belongs to week 52 of 2050. Week 1 of 2051 starts on Monday, January 2, 2051.
How are ISO week numbers counted?
ISO 8601 weeks start on Monday. Week 1 is the week that contains the first Thursday of the year, which is the same as the week that contains January 4. A year has 52 weeks, or 53 when it starts on a Thursday (or on a Wednesday in a leap year).
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