ISO Week Numbers 1985

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All 52 ISO weeks in 1985. Week 1 is the first week with at least four days in January; weeks run Monday through Sunday.

1984 Week Number Calculator1986
WeekISO codeYYWWWeek startsWeek ends
11985-W018501Monday, December 31, 1984Sunday, January 6, 1985
21985-W028502Monday, January 7, 1985Sunday, January 13, 1985
31985-W038503Monday, January 14, 1985Sunday, January 20, 1985
41985-W048504Monday, January 21, 1985Sunday, January 27, 1985
51985-W058505Monday, January 28, 1985Sunday, February 3, 1985
61985-W068506Monday, February 4, 1985Sunday, February 10, 1985
71985-W078507Monday, February 11, 1985Sunday, February 17, 1985
81985-W088508Monday, February 18, 1985Sunday, February 24, 1985
91985-W098509Monday, February 25, 1985Sunday, March 3, 1985
101985-W108510Monday, March 4, 1985Sunday, March 10, 1985
111985-W118511Monday, March 11, 1985Sunday, March 17, 1985
121985-W128512Monday, March 18, 1985Sunday, March 24, 1985
131985-W138513Monday, March 25, 1985Sunday, March 31, 1985
141985-W148514Monday, April 1, 1985Sunday, April 7, 1985
151985-W158515Monday, April 8, 1985Sunday, April 14, 1985
161985-W168516Monday, April 15, 1985Sunday, April 21, 1985
171985-W178517Monday, April 22, 1985Sunday, April 28, 1985
181985-W188518Monday, April 29, 1985Sunday, May 5, 1985
191985-W198519Monday, May 6, 1985Sunday, May 12, 1985
201985-W208520Monday, May 13, 1985Sunday, May 19, 1985
211985-W218521Monday, May 20, 1985Sunday, May 26, 1985
221985-W228522Monday, May 27, 1985Sunday, June 2, 1985
231985-W238523Monday, June 3, 1985Sunday, June 9, 1985
241985-W248524Monday, June 10, 1985Sunday, June 16, 1985
251985-W258525Monday, June 17, 1985Sunday, June 23, 1985
261985-W268526Monday, June 24, 1985Sunday, June 30, 1985
271985-W278527Monday, July 1, 1985Sunday, July 7, 1985
281985-W288528Monday, July 8, 1985Sunday, July 14, 1985
291985-W298529Monday, July 15, 1985Sunday, July 21, 1985
301985-W308530Monday, July 22, 1985Sunday, July 28, 1985
311985-W318531Monday, July 29, 1985Sunday, August 4, 1985
321985-W328532Monday, August 5, 1985Sunday, August 11, 1985
331985-W338533Monday, August 12, 1985Sunday, August 18, 1985
341985-W348534Monday, August 19, 1985Sunday, August 25, 1985
351985-W358535Monday, August 26, 1985Sunday, September 1, 1985
361985-W368536Monday, September 2, 1985Sunday, September 8, 1985
371985-W378537Monday, September 9, 1985Sunday, September 15, 1985
381985-W388538Monday, September 16, 1985Sunday, September 22, 1985
391985-W398539Monday, September 23, 1985Sunday, September 29, 1985
401985-W408540Monday, September 30, 1985Sunday, October 6, 1985
411985-W418541Monday, October 7, 1985Sunday, October 13, 1985
421985-W428542Monday, October 14, 1985Sunday, October 20, 1985
431985-W438543Monday, October 21, 1985Sunday, October 27, 1985
441985-W448544Monday, October 28, 1985Sunday, November 3, 1985
451985-W458545Monday, November 4, 1985Sunday, November 10, 1985
461985-W468546Monday, November 11, 1985Sunday, November 17, 1985
471985-W478547Monday, November 18, 1985Sunday, November 24, 1985
481985-W488548Monday, November 25, 1985Sunday, December 1, 1985
491985-W498549Monday, December 2, 1985Sunday, December 8, 1985
501985-W508550Monday, December 9, 1985Sunday, December 15, 1985
511985-W518551Monday, December 16, 1985Sunday, December 22, 1985
521985-W528552Monday, December 23, 1985Sunday, December 29, 1985

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