how many days since June 12 1829

Today is March 31^{st} and we are going to calculate the days that there between 12^{th} of June 1829 to date.

I have used timeanddate.com calculator here http://www.timeanddate.com

And this is their answer:

Result: 70,054 days

It is 70,054 days from the start date to the end date, but not including the end date.

Or 191 years, 9 months, 19 days excluding the end date.

Or 2301 months, 19 days excluding the end date.

Alternative time units

70,054 days can be converted to one of these units:

6,052,665,600 seconds

100,877,760 minutes

1,681,296 hours

70,054 days

10,007 weeks and 5 days

19,192.88% of a common year (365 days)

They don’t explain to us how they reached to their answer but let us do the calculations ourselves.

We shall first find leap years since 1829. The year 1829 is not a leap year the first leap year to count is 1932 onwards till 2020.

Between 1832 to 2020 are 47 leap years. This means we will have extra total of 47 days of the total leap years.

1. 1832, | 366 | |

2. 1836, | 366 | |

3. 1840, | 366 | |

4. 1844, | 366 | |

5. 1848, | 366 | |

6. 1852, | 366 | |

7. 1856, | 366 | |

8. 1860, | 366 | |

9. 1864, | 366 | |

10. 1868, | 366 | |

11. 1872, | 366 | |

12. 1876, | 366 | |

13. 1880, | 366 | |

14. 1884, | 366 | |

15. 1888, | 366 | |

16. 1892, | 366 | |

17. 1896, | 366 | |

18. 1904, | 366 | |

19. 1908, | 366 | |

20. 1912, | 366 | |

21. 1916, | 366 | |

22. 1920, | 366 | |

23. 1924, | 366 | |

24. 1928, | 366 | |

25. 1932, | 366 | |

26. 1936, | 366 | |

27. 1940, | 366 | |

28. 1944, | 366 | |

29. 1948, | 366 | |

30. 1952, | 366 | |

31. 1956, | 366 | |

32. 1960, | 366 | |

33. 1964, | 366 | |

34. 1968, | 366 | |

35. 1972, | 366 | |

36. 1976, | 366 | |

37. 1980, | 366 | |

38. 1984, | 366 | |

39. 1988, | 366 | |

40. 1992, | 366 | |

41. 1996, | 366 | |

42. 2000, | 366 | |

43. 2004, | 366 | |

44. 2008, | 366 | |

45. 2012, | 366 | |

46. 2016, | 366 | |

47. 2020 | 366 | |

17202 | ||

We should ask ourselves how many full years are there between year 1829 to year 2021. There are 191 full years obviously excluding 1829 and 2021 because they are not full year in this calculation.

From 1930 to 2020 = 191 years = 69,761 days +1day

Leap years = 47 years = 17202 days

Normal years = 144 years = 52560 days

So with that we go ahead and do this;

So 191 years * 365 days =69,715 days + 47 days of the leap years

191*365=69715+47=69762

Now from 1930 to 2020 = 69762 days

We add the 1829 days and the 2021 days we have covered.

Between 12th June 1829 to the end of that year is 203 days.

Between 1st Jan 2021 to 31st March 2021 (today) is 90 (Jan 31, Feb 28 and March 31) days.

69762 days (1930-2020) +

203 days (1829)+

90 days(2021) = 70055

69762 + 203 + 90 = 70055 days

We have included today 31 of March 2021. That is why our calculation is one day more than the http://www.timeanddate.com calculator up there.

Solution

So the total number of days from June 12 1829 to March 31 2021 is **70055**.