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How many weeks are in 2031?

52
ISO weeks in 2031
Standard 52-week year

Key facts

Total ISO weeks
52
Week 1 starts
Monday, December 30, 2030
Week 52 ends
Sunday, December 28, 2031
Leap year
No (365 days)

All weeks

WkMondaySundayISO
W1Monday, December 30, 2030Sunday, January 5, 20312031-W01
W2Monday, January 6, 2031Sunday, January 12, 20312031-W02
W3Monday, January 13, 2031Sunday, January 19, 20312031-W03
W4Monday, January 20, 2031Sunday, January 26, 20312031-W04
W5Monday, January 27, 2031Sunday, February 2, 20312031-W05
W6Monday, February 3, 2031Sunday, February 9, 20312031-W06
W7Monday, February 10, 2031Sunday, February 16, 20312031-W07
W8Monday, February 17, 2031Sunday, February 23, 20312031-W08
W9Monday, February 24, 2031Sunday, March 2, 20312031-W09
W10Monday, March 3, 2031Sunday, March 9, 20312031-W10
W11Monday, March 10, 2031Sunday, March 16, 20312031-W11
W12Monday, March 17, 2031Sunday, March 23, 20312031-W12
W13Monday, March 24, 2031Sunday, March 30, 20312031-W13
W14Monday, March 31, 2031Sunday, April 6, 20312031-W14
W15Monday, April 7, 2031Sunday, April 13, 20312031-W15
W16Monday, April 14, 2031Sunday, April 20, 20312031-W16
W17Monday, April 21, 2031Sunday, April 27, 20312031-W17
W18Monday, April 28, 2031Sunday, May 4, 20312031-W18
W19Monday, May 5, 2031Sunday, May 11, 20312031-W19
W20Monday, May 12, 2031Sunday, May 18, 20312031-W20
W21Monday, May 19, 2031Sunday, May 25, 20312031-W21
W22Monday, May 26, 2031Sunday, June 1, 20312031-W22
W23Monday, June 2, 2031Sunday, June 8, 20312031-W23
W24Monday, June 9, 2031Sunday, June 15, 20312031-W24
W25Monday, June 16, 2031Sunday, June 22, 20312031-W25
W26Monday, June 23, 2031Sunday, June 29, 20312031-W26
W27Monday, June 30, 2031Sunday, July 6, 20312031-W27
W28Monday, July 7, 2031Sunday, July 13, 20312031-W28
W29Monday, July 14, 2031Sunday, July 20, 20312031-W29
W30Monday, July 21, 2031Sunday, July 27, 20312031-W30
W31Monday, July 28, 2031Sunday, August 3, 20312031-W31
W32Monday, August 4, 2031Sunday, August 10, 20312031-W32
W33Monday, August 11, 2031Sunday, August 17, 20312031-W33
W34Monday, August 18, 2031Sunday, August 24, 20312031-W34
W35Monday, August 25, 2031Sunday, August 31, 20312031-W35
W36Monday, September 1, 2031Sunday, September 7, 20312031-W36
W37Monday, September 8, 2031Sunday, September 14, 20312031-W37
W38Monday, September 15, 2031Sunday, September 21, 20312031-W38
W39Monday, September 22, 2031Sunday, September 28, 20312031-W39
W40Monday, September 29, 2031Sunday, October 5, 20312031-W40
W41Monday, October 6, 2031Sunday, October 12, 20312031-W41
W42Monday, October 13, 2031Sunday, October 19, 20312031-W42
W43Monday, October 20, 2031Sunday, October 26, 20312031-W43
W44Monday, October 27, 2031Sunday, November 2, 20312031-W44
W45Monday, November 3, 2031Sunday, November 9, 20312031-W45
W46Monday, November 10, 2031Sunday, November 16, 20312031-W46
W47Monday, November 17, 2031Sunday, November 23, 20312031-W47
W48Monday, November 24, 2031Sunday, November 30, 20312031-W48
W49Monday, December 1, 2031Sunday, December 7, 20312031-W49
W50Monday, December 8, 2031Sunday, December 14, 20312031-W50
W51Monday, December 15, 2031Sunday, December 21, 20312031-W51
W52Monday, December 22, 2031Sunday, December 28, 20312031-W52

Frequently asked questions

How many weeks are in 2031?

2031 contains exactly 52 ISO 8601 weeks.

Why do some years have 53 weeks?

An ISO year has 53 weeks when its first Thursday falls on January 1 (or January 1–2 in a leap year). Recent: 2009, 2015, 2020, 2026, 2032.

Is 2031 a leap year?

2031 is not a leap year (365 days).

Related tools

2031 calendar2031 facts2031 day of yearHow many weeks in a year