366 days · leap year
52 ISO weeks · Monday-first
January.
521213456789210111213141516317181920212223424252627282930531
February.
512345667891011121371415161718192082122232425262792829
March.
91234510678910111211131415161718191220212223242526132728293031
April.
1312143456789151011121314151616171819202122231724252627282930
May.
181234567198910111213142015161718192021212223242526272822293031
June.
2212342356789101124121314151617182519202122232425262627282930
July.
26122734567892810111213141516291718192021222330242526272829303131
August.
311234563278910111213331415161718192034212223242526273528293031
September.
3512336456789103711121314151617381819202122232439252627282930
October.
39140234567841910111213141542161718192021224323242526272829443031
November.
4412345456789101112461314151617181947202122232425264827282930
December.
481234945678910501112131415161751181920212223245225262728293031
Week numbers follow ISO 8601 — weeks start on Monday, and week 1 is the week containing the year's first Thursday. That is the numbering used across European business calendars. 2028 is a leap year: February has 29 days.