ISO Week Numbers 1979

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All 52 ISO weeks in 1979. Week 1 is the first week with at least four days in January; weeks run Monday through Sunday.

1978 Week Number Calculator1980
WeekISO codeYYWWWeek startsWeek ends
11979-W017901Monday, January 1, 1979Sunday, January 7, 1979
21979-W027902Monday, January 8, 1979Sunday, January 14, 1979
31979-W037903Monday, January 15, 1979Sunday, January 21, 1979
41979-W047904Monday, January 22, 1979Sunday, January 28, 1979
51979-W057905Monday, January 29, 1979Sunday, February 4, 1979
61979-W067906Monday, February 5, 1979Sunday, February 11, 1979
71979-W077907Monday, February 12, 1979Sunday, February 18, 1979
81979-W087908Monday, February 19, 1979Sunday, February 25, 1979
91979-W097909Monday, February 26, 1979Sunday, March 4, 1979
101979-W107910Monday, March 5, 1979Sunday, March 11, 1979
111979-W117911Monday, March 12, 1979Sunday, March 18, 1979
121979-W127912Monday, March 19, 1979Sunday, March 25, 1979
131979-W137913Monday, March 26, 1979Sunday, April 1, 1979
141979-W147914Monday, April 2, 1979Sunday, April 8, 1979
151979-W157915Monday, April 9, 1979Sunday, April 15, 1979
161979-W167916Monday, April 16, 1979Sunday, April 22, 1979
171979-W177917Monday, April 23, 1979Sunday, April 29, 1979
181979-W187918Monday, April 30, 1979Sunday, May 6, 1979
191979-W197919Monday, May 7, 1979Sunday, May 13, 1979
201979-W207920Monday, May 14, 1979Sunday, May 20, 1979
211979-W217921Monday, May 21, 1979Sunday, May 27, 1979
221979-W227922Monday, May 28, 1979Sunday, June 3, 1979
231979-W237923Monday, June 4, 1979Sunday, June 10, 1979
241979-W247924Monday, June 11, 1979Sunday, June 17, 1979
251979-W257925Monday, June 18, 1979Sunday, June 24, 1979
261979-W267926Monday, June 25, 1979Sunday, July 1, 1979
271979-W277927Monday, July 2, 1979Sunday, July 8, 1979
281979-W287928Monday, July 9, 1979Sunday, July 15, 1979
291979-W297929Monday, July 16, 1979Sunday, July 22, 1979
301979-W307930Monday, July 23, 1979Sunday, July 29, 1979
311979-W317931Monday, July 30, 1979Sunday, August 5, 1979
321979-W327932Monday, August 6, 1979Sunday, August 12, 1979
331979-W337933Monday, August 13, 1979Sunday, August 19, 1979
341979-W347934Monday, August 20, 1979Sunday, August 26, 1979
351979-W357935Monday, August 27, 1979Sunday, September 2, 1979
361979-W367936Monday, September 3, 1979Sunday, September 9, 1979
371979-W377937Monday, September 10, 1979Sunday, September 16, 1979
381979-W387938Monday, September 17, 1979Sunday, September 23, 1979
391979-W397939Monday, September 24, 1979Sunday, September 30, 1979
401979-W407940Monday, October 1, 1979Sunday, October 7, 1979
411979-W417941Monday, October 8, 1979Sunday, October 14, 1979
421979-W427942Monday, October 15, 1979Sunday, October 21, 1979
431979-W437943Monday, October 22, 1979Sunday, October 28, 1979
441979-W447944Monday, October 29, 1979Sunday, November 4, 1979
451979-W457945Monday, November 5, 1979Sunday, November 11, 1979
461979-W467946Monday, November 12, 1979Sunday, November 18, 1979
471979-W477947Monday, November 19, 1979Sunday, November 25, 1979
481979-W487948Monday, November 26, 1979Sunday, December 2, 1979
491979-W497949Monday, December 3, 1979Sunday, December 9, 1979
501979-W507950Monday, December 10, 1979Sunday, December 16, 1979
511979-W517951Monday, December 17, 1979Sunday, December 23, 1979
521979-W527952Monday, December 24, 1979Sunday, December 30, 1979

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