2026 Week Numbers
ISO 8601 standard: Weeks start on Monday, and the first week of the year contains the first Thursday.
December 2025
Week 52
29 Dec - 5 Jan
January 2026
Week 1
5 Jan - 12 Jan
Week 2
12 Jan - 19 Jan
Week 3
19 Jan - 26 Jan
Week 4
26 Jan - 2 Feb
February 2026
Week 5
2 Feb - 9 Feb
Week 6
9 Feb - 16 Feb
Week 7
16 Feb - 23 Feb
Week 8
23 Feb - 2 Mar
March 2026
Week 9
2 Mar - 9 Mar
Week 10
9 Mar - 16 Mar
Week 11
16 Mar - 23 Mar
Week 12
23 Mar - 30 Mar
Week 13
30 Mar - 6 Apr
April 2026
Week 14
6 Apr - 13 Apr
Week 15
13 Apr - 20 Apr
Week 16
20 Apr - 27 Apr
Week 17
27 Apr - 4 May
May 2026
Week 18
4 May - 11 May
Week 19
11 May - 18 May
Week 20
18 May - 25 May
Week 21
25 May - 1 June
June 2026
Week 22
1 June - 8 June
Week 23
8 June - 15 June
Week 24
15 June - 22 June
Week 25
22 June - 29 June
Week 26
29 June - 6 July
July 2026
Week 27
6 July - 13 July
Week 28
13 July - 20 July
Week 29
20 July - 27 July
Week 30
27 July - 3 Aug
August 2026
Week 31
3 Aug - 10 Aug
Week 32
10 Aug - 17 Aug
Week 33
17 Aug - 24 Aug
Week 34
24 Aug - 31 Aug
Week 35
31 Aug - 7 Sept
September 2026
Week 36
7 Sept - 14 Sept
Week 37
14 Sept - 21 Sept
Week 38
21 Sept - 28 Sept
Week 39
28 Sept - 5 Oct
October 2026
Week 40
5 Oct - 12 Oct
Week 41
12 Oct - 19 Oct
Week 42
19 Oct - 26 Oct
Week 43
26 Oct - 2 Nov
November 2026
Week 44
2 Nov - 9 Nov
Week 45
9 Nov - 16 Nov
Week 46
16 Nov - 23 Nov
Week 47
23 Nov - 30 Nov
Week 48
30 Nov - 7 Dec
December 2026
Week 49
7 Dec - 14 Dec
Week 50
14 Dec - 21 Dec
Week 51
21 Dec - 28 Dec
Week 52
28 Dec - 4 Jan