Week 40
Worldhttps://www.tuxxinfo.com/planning/week-numbers/40/ monday 28 september - sunday 4 october 2026
Calendar
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| August 2026 |
| W | 31 | 32 | 33 | 34 | 35 | 36 | | Mo | | 3 | 10 | 17 | 24 | 31 | | Tu | | 4 | 11 | 18 | 25 | | | We | | 5 | 12 | 19 | 26 | | | Th | | 6 | 13 | 20 | 27 | | | Fr | | 7 | 14 | 21 | 28 | | | Sa | 1 | 8 | 15 | 22 | 29 | | | Su | 2 | 9 | 16 | 23 | 30 | | |
| September 2026 |
| W | 36 | 37 | 38 | 39 | 40 | | Mo | | 7 | 14 | 21 | 28 | | Tu | 1 | 8 | 15 | 22 | 29 | | We | 2 | 9 | 16 | 23 | 30 | | Th | 3 | 10 | 17 | 24 | | | Fr | 4 | 11 | 18 | 25 | | | Sa | 5 | 12 | 19 | 26 | | | Su | 6 | 13 | 20 | 27 | | |
| October 2026 |
| W | 40 | 41 | 42 | 43 | 44 | | Mo | | 5 | 12 | 19 | 26 | | Tu | | 6 | 13 | 20 | 27 | | We | | 7 | 14 | 21 | 28 | | Th | 1 | 8 | 15 | 22 | 29 | | Fr | 2 | 9 | 16 | 23 | 30 | | Sa | 3 | 10 | 17 | 24 | 31 | | Su | 4 | 11 | 18 | 25 | | |
| November 2026 |
| W | 44 | 45 | 46 | 47 | 48 | 49 | | Mo | | 2 | 9 | 16 | 23 | 30 | | Tu | | 3 | 10 | 17 | 24 | | | We | | 4 | 11 | 18 | 25 | | | Th | | 5 | 12 | 19 | 26 | | | Fr | | 6 | 13 | 20 | 27 | | | Sa | | 7 | 14 | 21 | 28 | | | Su | 1 | 8 | 15 | 22 | 29 | | |
| December 2026 |
| W | 49 | 50 | 51 | 52 | 53 | | Mo | | 7 | 14 | 21 | 28 | | Tu | 1 | 8 | 15 | 22 | 29 | | We | 2 | 9 | 16 | 23 | 30 | | Th | 3 | 10 | 17 | 24 | 31 | | Fr | 4 | 11 | 18 | 25 | | | Sa | 5 | 12 | 19 | 26 | | | Su | 6 | 13 | 20 | 27 | | |
Week number 40 in more years
- 2025: monday 29 september - sunday 5 october
- 2026: monday 28 september - sunday 4 october
- 2027: monday 4 - sunday 10 october
- 2028: monday 2 - sunday 8 october
International holidays in week 40
| sept. 28 | St. Wenceslas Day | Czech Republic |
| oct. 1 | National Day | China |
| oct. 3 | German Unity Day | Germany |
| oct. 3 | Shmini Atzeret | Israel |
| oct. 4 | World Animal Day | |
| oct. 4 | Saint Franciscus | Switzerland |
