January

WMonTueWedThuFriSatSun
521
12345678
29101112131415
316171819202122
423242526272829
53031

February

WMonTueWedThuFriSatSun
512345
66789101112
713141516171819
820212223242526
92728
 

March

WMonTueWedThuFriSatSun
912345
106789101112
1113141516171819
1220212223242526
132728293031
 

April

WMonTueWedThuFriSatSun
1312
143456789
1510111213141516
1617181920212223
1724252627282930
 

May

WMonTueWedThuFriSatSun
181234567
19891011121314
2015161718192021
2122232425262728
22293031
 

June

WMonTueWedThuFriSatSun
221234
23567891011
2412131415161718
2519202122232425
262627282930
 

July

WMonTueWedThuFriSatSun
2612
273456789
2810111213141516
2917181920212223
3024252627282930
3131

August

WMonTueWedThuFriSatSun
31123456
3278910111213
3314151617181920
3421222324252627
3528293031
 

September

WMonTueWedThuFriSatSun
35123
3645678910
3711121314151617
3818192021222324
39252627282930
 

October

WMonTueWedThuFriSatSun
391
402345678
419101112131415
4216171819202122
4323242526272829
443031

November

WMonTueWedThuFriSatSun
4412345
456789101112
4613141516171819
4720212223242526
4827282930
 

December

WMonTueWedThuFriSatSun
48123
4945678910
5011121314151617
5118192021222324
5225262728293031
 

1826 is not a leap year, 365 days. It starts on Sunday and ends on Sunday, with 52 ISO weeks.

ISO week numbers follow the ISO 8601 standard: weeks run Monday to Sunday. Week 1 is the week containing the first Thursday of the year. Most years have 52 ISO weeks; years where January 1st or December 31st falls on a Thursday have 53 weeks.

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