All 52 Weeks of 1940
| Week | Starts (Mon) | Ends (Sun) | Federal holidays |
|---|---|---|---|
| 1 | Jan 1, 1940 | Jan 7, 1940 | New Year's Day |
| 2 | Jan 8, 1940 | Jan 14, 1940 | — |
| 3 | Jan 15, 1940 | Jan 21, 1940 | MLK Day |
| 4 | Jan 22, 1940 | Jan 28, 1940 | — |
| 5 | Jan 29, 1940 | Feb 4, 1940 | — |
| 6 | Feb 5, 1940 | Feb 11, 1940 | — |
| 7 | Feb 12, 1940 | Feb 18, 1940 | — |
| 8 | Feb 19, 1940 | Feb 25, 1940 | Presidents' Day |
| 9 | Feb 26, 1940 | Mar 3, 1940 | — |
| 10 | Mar 4, 1940 | Mar 10, 1940 | — |
| 11 | Mar 11, 1940 | Mar 17, 1940 | — |
| 12 | Mar 18, 1940 | Mar 24, 1940 | — |
| 13 | Mar 25, 1940 | Mar 31, 1940 | — |
| 14 | Apr 1, 1940 | Apr 7, 1940 | — |
| 15 | Apr 8, 1940 | Apr 14, 1940 | — |
| 16 | Apr 15, 1940 | Apr 21, 1940 | — |
| 17 | Apr 22, 1940 | Apr 28, 1940 | — |
| 18 | Apr 29, 1940 | May 5, 1940 | — |
| 19 | May 6, 1940 | May 12, 1940 | — |
| 20 | May 13, 1940 | May 19, 1940 | — |
| 21 | May 20, 1940 | May 26, 1940 | — |
| 22 | May 27, 1940 | Jun 2, 1940 | Memorial Day |
| 23 | Jun 3, 1940 | Jun 9, 1940 | — |
| 24 | Jun 10, 1940 | Jun 16, 1940 | — |
| 25 | Jun 17, 1940 | Jun 23, 1940 | — |
| 26 | Jun 24, 1940 | Jun 30, 1940 | — |
| 27 | Jul 1, 1940 | Jul 7, 1940 | Independence Day |
| 28 | Jul 8, 1940 | Jul 14, 1940 | — |
| 29 | Jul 15, 1940 | Jul 21, 1940 | — |
| 30 | Jul 22, 1940 | Jul 28, 1940 | — |
| 31 | Jul 29, 1940 | Aug 4, 1940 | — |
| 32 | Aug 5, 1940 | Aug 11, 1940 | — |
| 33 | Aug 12, 1940 | Aug 18, 1940 | — |
| 34 | Aug 19, 1940 | Aug 25, 1940 | — |
| 35 | Aug 26, 1940 | Sep 1, 1940 | — |
| 36 | Sep 2, 1940 | Sep 8, 1940 | Labor Day |
| 37 | Sep 9, 1940 | Sep 15, 1940 | — |
| 38 | Sep 16, 1940 | Sep 22, 1940 | — |
| 39 | Sep 23, 1940 | Sep 29, 1940 | — |
| 40 | Sep 30, 1940 | Oct 6, 1940 | — |
| 41 | Oct 7, 1940 | Oct 13, 1940 | — |
| 42 | Oct 14, 1940 | Oct 20, 1940 | Columbus Day |
| 43 | Oct 21, 1940 | Oct 27, 1940 | — |
| 44 | Oct 28, 1940 | Nov 3, 1940 | — |
| 45 | Nov 4, 1940 | Nov 10, 1940 | — |
| 46 | Nov 11, 1940 | Nov 17, 1940 | Veterans Day |
| 47 | Nov 18, 1940 | Nov 24, 1940 | — |
| 48 | Nov 25, 1940 | Dec 1, 1940 | Thanksgiving |
| 49 | Dec 2, 1940 | Dec 8, 1940 | — |
| 50 | Dec 9, 1940 | Dec 15, 1940 | — |
| 51 | Dec 16, 1940 | Dec 22, 1940 | — |
| 52 | Dec 23, 1940 | Dec 29, 1940 | Christmas Day |
1940 Week Numbers FAQ
How many weeks are in 1940?
1940 has 52 ISO weeks. Week 1 runs from Monday, January 1, 1940 to Sunday, January 7, 1940, and week 52 ends on Sunday, December 29, 1940.
What week number is January 1, 1940?
January 1, 1940 is a Monday in week 1 of 1940.
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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