Week Number Finder

Find the week number of any date

Browser ProcessingYour data never leaves your browser

Week Number

5

of 53 weeks in 2026

Week Details

Week starts:Jan 26Week ends:Feb 1Days into week:5 (Friday)Days remaining:2

ISO Week

5

Monday start

US Week

5

Sunday start

Year Progress8.0%

Jump to Week

2026 Week Calendar

J
F
M
A
M
J
J
A
S
O
N
D
Week
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

Related Tools

Date Difference CalculatorCalculate days, weeks, months between dates
Date Add/SubtractAdd or subtract days, months, years from a date
Age CalculatorCalculate age from birthdate
Timezone ConverterConvert time between timezones