ISO Week Numbers 1987

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All 53 ISO weeks in 1987. Week 1 is the first week with at least four days in January; weeks run Monday through Sunday.

1986 Week Number Calculator1988
WeekISO codeYYWWWeek startsWeek ends
11987-W018701Monday, December 29, 1986Sunday, January 4, 1987
21987-W028702Monday, January 5, 1987Sunday, January 11, 1987
31987-W038703Monday, January 12, 1987Sunday, January 18, 1987
41987-W048704Monday, January 19, 1987Sunday, January 25, 1987
51987-W058705Monday, January 26, 1987Sunday, February 1, 1987
61987-W068706Monday, February 2, 1987Sunday, February 8, 1987
71987-W078707Monday, February 9, 1987Sunday, February 15, 1987
81987-W088708Monday, February 16, 1987Sunday, February 22, 1987
91987-W098709Monday, February 23, 1987Sunday, March 1, 1987
101987-W108710Monday, March 2, 1987Sunday, March 8, 1987
111987-W118711Monday, March 9, 1987Sunday, March 15, 1987
121987-W128712Monday, March 16, 1987Sunday, March 22, 1987
131987-W138713Monday, March 23, 1987Sunday, March 29, 1987
141987-W148714Monday, March 30, 1987Sunday, April 5, 1987
151987-W158715Monday, April 6, 1987Sunday, April 12, 1987
161987-W168716Monday, April 13, 1987Sunday, April 19, 1987
171987-W178717Monday, April 20, 1987Sunday, April 26, 1987
181987-W188718Monday, April 27, 1987Sunday, May 3, 1987
191987-W198719Monday, May 4, 1987Sunday, May 10, 1987
201987-W208720Monday, May 11, 1987Sunday, May 17, 1987
211987-W218721Monday, May 18, 1987Sunday, May 24, 1987
221987-W228722Monday, May 25, 1987Sunday, May 31, 1987
231987-W238723Monday, June 1, 1987Sunday, June 7, 1987
241987-W248724Monday, June 8, 1987Sunday, June 14, 1987
251987-W258725Monday, June 15, 1987Sunday, June 21, 1987
261987-W268726Monday, June 22, 1987Sunday, June 28, 1987
271987-W278727Monday, June 29, 1987Sunday, July 5, 1987
281987-W288728Monday, July 6, 1987Sunday, July 12, 1987
291987-W298729Monday, July 13, 1987Sunday, July 19, 1987
301987-W308730Monday, July 20, 1987Sunday, July 26, 1987
311987-W318731Monday, July 27, 1987Sunday, August 2, 1987
321987-W328732Monday, August 3, 1987Sunday, August 9, 1987
331987-W338733Monday, August 10, 1987Sunday, August 16, 1987
341987-W348734Monday, August 17, 1987Sunday, August 23, 1987
351987-W358735Monday, August 24, 1987Sunday, August 30, 1987
361987-W368736Monday, August 31, 1987Sunday, September 6, 1987
371987-W378737Monday, September 7, 1987Sunday, September 13, 1987
381987-W388738Monday, September 14, 1987Sunday, September 20, 1987
391987-W398739Monday, September 21, 1987Sunday, September 27, 1987
401987-W408740Monday, September 28, 1987Sunday, October 4, 1987
411987-W418741Monday, October 5, 1987Sunday, October 11, 1987
421987-W428742Monday, October 12, 1987Sunday, October 18, 1987
431987-W438743Monday, October 19, 1987Sunday, October 25, 1987
441987-W448744Monday, October 26, 1987Sunday, November 1, 1987
451987-W458745Monday, November 2, 1987Sunday, November 8, 1987
461987-W468746Monday, November 9, 1987Sunday, November 15, 1987
471987-W478747Monday, November 16, 1987Sunday, November 22, 1987
481987-W488748Monday, November 23, 1987Sunday, November 29, 1987
491987-W498749Monday, November 30, 1987Sunday, December 6, 1987
501987-W508750Monday, December 7, 1987Sunday, December 13, 1987
511987-W518751Monday, December 14, 1987Sunday, December 20, 1987
521987-W528752Monday, December 21, 1987Sunday, December 27, 1987
531987-W538753Monday, December 28, 1987Sunday, January 3, 1988

ISO weeks start on Monday. Week 1 is the first week with at least four days in the new year.