ISO Week Numbers 1983

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All 52 ISO weeks in 1983. Week 1 is the first week with at least four days in January; weeks run Monday through Sunday.

1982 Week Number Calculator1984
WeekISO codeYYWWWeek startsWeek ends
11983-W018301Monday, January 3, 1983Sunday, January 9, 1983
21983-W028302Monday, January 10, 1983Sunday, January 16, 1983
31983-W038303Monday, January 17, 1983Sunday, January 23, 1983
41983-W048304Monday, January 24, 1983Sunday, January 30, 1983
51983-W058305Monday, January 31, 1983Sunday, February 6, 1983
61983-W068306Monday, February 7, 1983Sunday, February 13, 1983
71983-W078307Monday, February 14, 1983Sunday, February 20, 1983
81983-W088308Monday, February 21, 1983Sunday, February 27, 1983
91983-W098309Monday, February 28, 1983Sunday, March 6, 1983
101983-W108310Monday, March 7, 1983Sunday, March 13, 1983
111983-W118311Monday, March 14, 1983Sunday, March 20, 1983
121983-W128312Monday, March 21, 1983Sunday, March 27, 1983
131983-W138313Monday, March 28, 1983Sunday, April 3, 1983
141983-W148314Monday, April 4, 1983Sunday, April 10, 1983
151983-W158315Monday, April 11, 1983Sunday, April 17, 1983
161983-W168316Monday, April 18, 1983Sunday, April 24, 1983
171983-W178317Monday, April 25, 1983Sunday, May 1, 1983
181983-W188318Monday, May 2, 1983Sunday, May 8, 1983
191983-W198319Monday, May 9, 1983Sunday, May 15, 1983
201983-W208320Monday, May 16, 1983Sunday, May 22, 1983
211983-W218321Monday, May 23, 1983Sunday, May 29, 1983
221983-W228322Monday, May 30, 1983Sunday, June 5, 1983
231983-W238323Monday, June 6, 1983Sunday, June 12, 1983
241983-W248324Monday, June 13, 1983Sunday, June 19, 1983
251983-W258325Monday, June 20, 1983Sunday, June 26, 1983
261983-W268326Monday, June 27, 1983Sunday, July 3, 1983
271983-W278327Monday, July 4, 1983Sunday, July 10, 1983
281983-W288328Monday, July 11, 1983Sunday, July 17, 1983
291983-W298329Monday, July 18, 1983Sunday, July 24, 1983
301983-W308330Monday, July 25, 1983Sunday, July 31, 1983
311983-W318331Monday, August 1, 1983Sunday, August 7, 1983
321983-W328332Monday, August 8, 1983Sunday, August 14, 1983
331983-W338333Monday, August 15, 1983Sunday, August 21, 1983
341983-W348334Monday, August 22, 1983Sunday, August 28, 1983
351983-W358335Monday, August 29, 1983Sunday, September 4, 1983
361983-W368336Monday, September 5, 1983Sunday, September 11, 1983
371983-W378337Monday, September 12, 1983Sunday, September 18, 1983
381983-W388338Monday, September 19, 1983Sunday, September 25, 1983
391983-W398339Monday, September 26, 1983Sunday, October 2, 1983
401983-W408340Monday, October 3, 1983Sunday, October 9, 1983
411983-W418341Monday, October 10, 1983Sunday, October 16, 1983
421983-W428342Monday, October 17, 1983Sunday, October 23, 1983
431983-W438343Monday, October 24, 1983Sunday, October 30, 1983
441983-W448344Monday, October 31, 1983Sunday, November 6, 1983
451983-W458345Monday, November 7, 1983Sunday, November 13, 1983
461983-W468346Monday, November 14, 1983Sunday, November 20, 1983
471983-W478347Monday, November 21, 1983Sunday, November 27, 1983
481983-W488348Monday, November 28, 1983Sunday, December 4, 1983
491983-W498349Monday, December 5, 1983Sunday, December 11, 1983
501983-W508350Monday, December 12, 1983Sunday, December 18, 1983
511983-W518351Monday, December 19, 1983Sunday, December 25, 1983
521983-W528352Monday, December 26, 1983Sunday, January 1, 1984

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