Today is February 20, 2011, I want to know how many days to 2012

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• 1. How many days before July 16, 2046? (today, July 10, 2012)
• 2. How many days are there from December 25, 2009 to February 1, 2012
• 3. How many days are there from April 28, 2012 to December 27, 2012
• 4. About the time zone of the earth 1. Since the time of the East and west regions is the same (the light is the same), why is there a difference of one day? 2. When the earth turns from west to East, which region is the first to see the sun? 3, Why can't we say that the east time zone sees the sun before the west time zone? Why can't we think that the west time zone sees the sun before the east time zone? (I think the earth is a sphere, assuming that the earth is stationary at first, but when it first rotates, the first place to see the sun is not necessarily the east time zone!)
• 5. According to the rotation cycle, how many time zones does human divide the earth's surface into, how many hours does each time zone represent, and how many hours is the difference between two adjacent time zones?
• 6. How many days are there from February 8, 2010 to March 5, 2012?
• 7. November 29th, 2011 is the date of the solar calendar. And February 12th, 2012 is the date of the lunar calendar I'm really in a hurry
• 8. Uncle Li deposited 4500 yuan in the bank in February 2008, with a fixed deposit period of two years and an annual interest rate of 4.68%. After maturity, if he paid interest tax at 5%, how many yuan would Uncle Li have to pay interest tax? How much interest can you actually get?
• 9. Uncle Zhang deposited 5000 yuan in the bank on September 15, 2012, fixed for three years, with an annual interest rate of 4.25%. When the deposit matures, how much can Uncle Zhang get back from the bank
• 10. Uncle Li deposits 8000 yuan into the bank for three years with an annual interest rate of 3.25%. If you want to deduct the 5% tax, how much interest can you get after three years? 2. Wang Dabo deposits 5000 yuan into the bank for two years with an annual interest rate of 2.79%. He has to deduct 5% of the tax. When he withdraws it at maturity, how much yuan can he get in total
• 11. June 24, 2011 is Friday. What day is June 24, 2012? The calculation process is required It should be Sunday, June 24, 2012. What day is June 24, 2013?
• 12. How many days are there in a leap year?
• 13. How many leap years are there from 2000 to 2020 nothing
• 14. 1800 is a leap year______ ．
• 15. 1999, 2000, 2001, 2002 Until 2012, which year is a normal year? Which year is a leap year?
• 16. February 1, 1987 is Sunday, June 1, 1987 is Sunday () A. Six B. day C. one D. two
• 17. New year's day in 2008 is Tuesday, so what day is March 1, 2008
• 18. If March 2 is Tuesday, what day should it be after 30 days? How to calculate?
• 19. January 1, 2002 is Tuesday. What day is June 1, 2002?
• 20. If March 1, 2005 is Tuesday, and March 18 is the day of the week, I know the answer to this question, but I don't know why the 18 in formula 18 ／ 7 is If you know why, please answer me,