2, 3 1 3, 5, Thursday 7*4+ 1=29 can't be 28 or 29, but 30-29= 1, no, 3 1-29=2 will be delayed by one day on the first Thursday and pushed back by one day on the last Thursday. This month, there are 36538. Wednesday 1, Wednesday 15.

May 1 day is Monday, and March 1 day is also Monday. There were 28 days in that February, with an average of 365 days a year. March 1 day to national day * * * 31+30+31+31= 214 days, that is, 30 weeks and 4 days, Friday.

4. Wednesday, 2008, from New Year's Day to National Day, 31+28+31+30+31+30 = 273 days, that is, 39 weeks, Sunday. There are 366 days from New Year's Day in 2008 to New Year's Day in 2009, that is, 52 weeks and 2 days, Wednesday.

After March 20th of 5.200 1 year, it will be pushed to June 65438+1October 20th1+28+20 = 59, that is, Wednesday, 8 weeks and 3 days. After March 20th, 200 1 year, push to March 20th, 2000, 365 days, 52 weeks, 1 day, Friday.