A normal year of 365 days is more than 52 weeks.

Leap year is 366 days, 52 weeks and two days. More days are in February.

1700 is a normal year. 1700~ 1799 has 24 leap years and 76 normal years. 5200 weeks 124 days, that is, 52 17 weeks and 5 days.

1800 is a leap year 1800~ 1899. The average year is 24, and the average year is 76,5217, with 5 days a week.

1900 is a leap year in which the average year is 1900~ 1999 24, and the average year is 76,5217 with five days a week.

2000 is a leap year, 2000~20 10 3 leap years, 8 normal years and 574 weeks.

20 1 1 year 11October1to11October 9th 3 13, 44 weeks and 5 days.

Total 1627 1 week and six days.

The last remainder is 6, that is, 1700 65438+ 10/month 1 is Tuesday.

Hope to adopt.