▣Weeks Calculator
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Weeks Calendar 2026

Explore every ISO week in 2026 with a clean Monday-to-Sunday calendar. Today is in week 18 of 2026.

Open Week CalculatorCurrent Week
Total weeks53
Current week18
Week startsMonday
Week endsSunday
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Weeks in a Year

Select a year to view all weeks. The current week is highlighted automatically.

Select Year
January
MoTuWeThFrSaSu
11234
2567891011
312131415161718
419202122232425
5262728293031
February
MoTuWeThFrSaSu
51
62345678
79101112131415
816171819202122
9232425262728
March
MoTuWeThFrSaSu
91
102345678
119101112131415
1216171819202122
1323242526272829
143031
April
MoTuWeThFrSaSu
1412345
156789101112
1613141516171819
1720212223242526
1827282930
May
MoTuWeThFrSaSu
18123
1945678910
2011121314151617
2118192021222324
2225262728293031
June
MoTuWeThFrSaSu
231234567
24891011121314
2515161718192021
2622232425262728
272930
July
MoTuWeThFrSaSu
2712345
286789101112
2913141516171819
3020212223242526
312728293031
August
MoTuWeThFrSaSu
3112
323456789
3310111213141516
3417181920212223
3524252627282930
3631
September
MoTuWeThFrSaSu
36123456
3778910111213
3814151617181920
3921222324252627
40282930
October
MoTuWeThFrSaSu
401234
41567891011
4212131415161718
4319202122232425
44262728293031
November
MoTuWeThFrSaSu
441
452345678
469101112131415
4716171819202122
4823242526272829
4930
December
MoTuWeThFrSaSu
49123456
5078910111213
5114151617181920
5221222324252627
5328293031

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Frequently Asked Questions

What week is it today? Today is in week 18 of 2026. This week runs from April 27, 2026 to May 3, 2026.

How many weeks are in 2026? 2026 has 53 ISO weeks.

Useful Week Guides

What Week Is It Today?

A simple guide to current week numbers and how they are calculated.

ISO Week Number Explained

Learn the ISO week system used in planning, reporting and business calendars.

How Many Weeks Are in a Year?

Understand why most years have 52 weeks and some years have 53.

Weeks Between Two Dates

Calculate time spans in weeks and days for planning and deadlines.

Add Weeks to a Date

Learn how adding weeks to a date works and why it is useful.

Convert Date to Week Number

Find the ISO week number for any date.