Week numbers 229

229 has 53 ISO weeks, because 1 January 229 falls on a Thursday. Week 1: Dec 29, 228 – Jan 4, 229 · Week 53: Dec 28, 229 – Jan 3, 230

229 at a glance

Weeks in 22953
Week 1December 29, 228 – January 4, 229
Week 53December 28, 229 – January 3, 230
Days in 229365
Leap yearNo

All Weeks in 229

Week From To Month
Week 1 in 229 December 29, 228 January 4, 229 December / January
Week 2 in 229 January 5, 229 January 11, 229 January
Week 3 in 229 January 12, 229 January 18, 229 January
Week 4 in 229 January 19, 229 January 25, 229 January
Week 5 in 229 January 26, 229 February 1, 229 January / February
Week 6 in 229 February 2, 229 February 8, 229 February
Week 7 in 229 February 9, 229 February 15, 229 February
Week 8 in 229 February 16, 229 February 22, 229 February
Week 9 in 229 February 23, 229 March 1, 229 February / March
Week 10 in 229 March 2, 229 March 8, 229 March
Week 11 in 229 March 9, 229 March 15, 229 March
Week 12 in 229 March 16, 229 March 22, 229 March
Week 13 in 229 March 23, 229 March 29, 229 March
Week 14 in 229 March 30, 229 April 5, 229 March / April
Week 15 in 229 April 6, 229 April 12, 229 April
Week 16 in 229 April 13, 229 April 19, 229 April
Week 17 in 229 April 20, 229 April 26, 229 April
Week 18 in 229 April 27, 229 May 3, 229 April / May
Week 19 in 229 May 4, 229 May 10, 229 May
Week 20 in 229 May 11, 229 May 17, 229 May
Week 21 in 229 May 18, 229 May 24, 229 May
Week 22 in 229 May 25, 229 May 31, 229 May
Week 23 in 229 June 1, 229 June 7, 229 June
Week 24 in 229 June 8, 229 June 14, 229 June
Week 25 in 229 June 15, 229 June 21, 229 June
Week 26 in 229 June 22, 229 June 28, 229 June
Week 27 in 229 June 29, 229 July 5, 229 June / July
Week 28 in 229 July 6, 229 July 12, 229 July
Week 29 in 229 July 13, 229 July 19, 229 July
Week 30 in 229 July 20, 229 July 26, 229 July
Week 31 in 229 July 27, 229 August 2, 229 July / August
Week 32 in 229 August 3, 229 August 9, 229 August
Week 33 in 229 August 10, 229 August 16, 229 August
Week 34 in 229 August 17, 229 August 23, 229 August
Week 35 in 229 August 24, 229 August 30, 229 August
Week 36 in 229 August 31, 229 September 6, 229 August / September
Week 37 in 229 September 7, 229 September 13, 229 September
Week 38 in 229 September 14, 229 September 20, 229 September
Week 39 in 229 September 21, 229 September 27, 229 September
Week 40 in 229 September 28, 229 October 4, 229 September / October
Week 41 in 229 October 5, 229 October 11, 229 October
Week 42 in 229 October 12, 229 October 18, 229 October
Week 43 in 229 October 19, 229 October 25, 229 October
Week 44 in 229 October 26, 229 November 1, 229 October / November
Week 45 in 229 November 2, 229 November 8, 229 November
Week 46 in 229 November 9, 229 November 15, 229 November
Week 47 in 229 November 16, 229 November 22, 229 November
Week 48 in 229 November 23, 229 November 29, 229 November
Week 49 in 229 November 30, 229 December 6, 229 November / December
Week 50 in 229 December 7, 229 December 13, 229 December
Week 51 in 229 December 14, 229 December 20, 229 December
Week 52 in 229 December 21, 229 December 27, 229 December
Week 53 in 229 December 28, 229 January 3, 230 December / January

Calendars 229

January 229
MoTuWeThFrSaSu
Week 11234
Week 2567891011
Week 312131415161718
Week 419202122232425
Week 5262728293031
February 229
MoTuWeThFrSaSu
Week 51
Week 62345678
Week 79101112131415
Week 816171819202122
Week 9232425262728
March 229
MoTuWeThFrSaSu
Week 91
Week 102345678
Week 119101112131415
Week 1216171819202122
Week 1323242526272829
Week 143031
April 229
MoTuWeThFrSaSu
Week 1412345
Week 156789101112
Week 1613141516171819
Week 1720212223242526
Week 1827282930
May 229
MoTuWeThFrSaSu
Week 18123
Week 1945678910
Week 2011121314151617
Week 2118192021222324
Week 2225262728293031
June 229
MoTuWeThFrSaSu
Week 231234567
Week 24891011121314
Week 2515161718192021
Week 2622232425262728
Week 272930
July 229
MoTuWeThFrSaSu
Week 2712345
Week 286789101112
Week 2913141516171819
Week 3020212223242526
Week 312728293031
August 229
MoTuWeThFrSaSu
Week 3112
Week 323456789
Week 3310111213141516
Week 3417181920212223
Week 3524252627282930
Week 3631
September 229
MoTuWeThFrSaSu
Week 36123456
Week 3778910111213
Week 3814151617181920
Week 3921222324252627
Week 40282930
October 229
MoTuWeThFrSaSu
Week 401234
Week 41567891011
Week 4212131415161718
Week 4319202122232425
Week 44262728293031
November 229
MoTuWeThFrSaSu
Week 441
Week 452345678
Week 469101112131415
Week 4716171819202122
Week 4823242526272829
Week 4930
December 229
MoTuWeThFrSaSu
Week 2123456
Week 5078910111213
Week 5114151617181920
Week 5221222324252627
Week 5328293031

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Find the week number of a date

How week numbers are counted

Most of the world numbers weeks according to the ISO 8601 standard. A week starts on Monday, and week 1 is the week that contains the first Thursday of the year, which is always the week that contains 4 January.

Week 1 of 229 starts on December 29, 228 and ends on January 4, 229 (ISO 8601, Monday to Sunday). 229 has 53 ISO weeks, because 1 January 229 falls on a Thursday.

Because of this rule, the first days of January can belong to the last week of the previous year, and the last days of December can belong to week 1 of the next year.

In the United States, weeks usually start on Sunday and week 1 is the week that contains 1 January, so the US week number can differ from the ISO week number.

Frequently Asked Questions (FAQ)

How many weeks does 229 have?

229 has 53 ISO weeks, because 1 January 229 falls on a Thursday.

When does week 1 of 229 start?

Week 1 of 229 starts on December 29, 228 and ends on January 4, 229 (ISO 8601, Monday to Sunday).

When does the last week of 229 end?

Week 53 of 229 starts on December 28, 229 and ends on January 3, 230 (ISO 8601, Monday to Sunday).

Which years have 53 weeks?

The next years with 53 ISO weeks are 229, 235, 240, 246, 252.

Why do the US and Europe show different week numbers?

Europe follows ISO 8601: weeks start on Monday and week 1 is the week with the first Thursday of the year. In the US, weeks usually start on Sunday and week 1 is the week that contains 1 January, so the two numbers can differ by one.