Number of weeks in 1777 year is 52 weeks
Weeks are according Costa Rica calendar rules, Sunday first day and weeks are Sunday to Saturday

Week #From DateTo DateWeeks from Now
Week 1December 29, 1776January 4, 1777passed 13001 weeks ago
Week 2January 5, 1777January 11, 1777passed 13000 weeks ago
Week 3January 12, 1777January 18, 1777passed 12999 weeks ago
Week 4January 19, 1777January 25, 1777passed 12998 weeks ago
Week 5January 26, 1777February 1, 1777passed 12997 weeks ago
Week 6February 2, 1777February 8, 1777passed 12996 weeks ago
Week 7February 9, 1777February 15, 1777passed 12995 weeks ago
Week 8February 16, 1777February 22, 1777passed 12994 weeks ago
Week 9February 23, 1777March 1, 1777passed 12993 weeks ago
Week 10March 2, 1777March 8, 1777passed 12992 weeks ago
Week 11March 9, 1777March 15, 1777passed 12991 weeks ago
Week 12March 16, 1777March 22, 1777passed 12990 weeks ago
Week 13March 23, 1777March 29, 1777passed 12989 weeks ago
Week 14March 30, 1777April 5, 1777passed 12988 weeks ago
Week 15April 6, 1777April 12, 1777passed 12987 weeks ago
Week 16April 13, 1777April 19, 1777passed 12986 weeks ago
Week 17April 20, 1777April 26, 1777passed 12985 weeks ago
Week 18April 27, 1777May 3, 1777passed 12984 weeks ago
Week 19May 4, 1777May 10, 1777passed 12983 weeks ago
Week 20May 11, 1777May 17, 1777passed 12982 weeks ago
Week 21May 18, 1777May 24, 1777passed 12981 weeks ago
Week 22May 25, 1777May 31, 1777passed 12980 weeks ago
Week 23June 1, 1777June 7, 1777passed 12979 weeks ago
Week 24June 8, 1777June 14, 1777passed 12978 weeks ago
Week 25June 15, 1777June 21, 1777passed 12977 weeks ago
Week 26June 22, 1777June 28, 1777passed 12976 weeks ago
Week 27June 29, 1777July 5, 1777passed 12975 weeks ago
Week 28July 6, 1777July 12, 1777passed 12974 weeks ago
Week 29July 13, 1777July 19, 1777passed 12973 weeks ago
Week 30July 20, 1777July 26, 1777passed 12972 weeks ago
Week 31July 27, 1777August 2, 1777passed 12971 weeks ago
Week 32August 3, 1777August 9, 1777passed 12970 weeks ago
Week 33August 10, 1777August 16, 1777passed 12969 weeks ago
Week 34August 17, 1777August 23, 1777passed 12968 weeks ago
Week 35August 24, 1777August 30, 1777passed 12967 weeks ago
Week 36August 31, 1777September 6, 1777passed 12966 weeks ago
Week 37September 7, 1777September 13, 1777passed 12965 weeks ago
Week 38September 14, 1777September 20, 1777passed 12964 weeks ago
Week 39September 21, 1777September 27, 1777passed 12963 weeks ago
Week 40September 28, 1777October 4, 1777passed 12962 weeks ago
Week 41October 5, 1777October 11, 1777passed 12961 weeks ago
Week 42October 12, 1777October 18, 1777passed 12960 weeks ago
Week 43October 19, 1777October 25, 1777passed 12959 weeks ago
Week 44October 26, 1777November 1, 1777passed 12958 weeks ago
Week 45November 2, 1777November 8, 1777passed 12957 weeks ago
Week 46November 9, 1777November 15, 1777passed 12956 weeks ago
Week 47November 16, 1777November 22, 1777passed 12955 weeks ago
Week 48November 23, 1777November 29, 1777passed 12954 weeks ago
Week 49November 30, 1777December 6, 1777passed 12953 weeks ago
Week 50December 7, 1777December 13, 1777passed 12952 weeks ago
Week 51December 14, 1777December 20, 1777passed 12951 weeks ago
Week 52December 21, 1777December 27, 1777passed 12950 weeks ago