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  2. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    This problem can be seen in the spreadsheet program Microsoft Excel as of 2023, which stores dates as the number of days since 31 December 1899 (day 1 is 1 January 1900) with a fictional leap day in 1900 if using the default 1900 date system. Alternatively, if using the 1904 date system, the date is stored as the number of days since 1 January ...

  3. Year 1900 problem - Wikipedia

    en.wikipedia.org/wiki/Year_1900_problem

    Microsoft Excel (using the default 1900 Date System) cannot display dates before the year 1900, although this is not due to a two-digit integer being used to represent the year: Excel uses a floating-point number to store dates and times. The number 1.0 represents the first second of January 1, 1900, in the 1900 Date System (or January 2, 1904 ...

  4. Leap year problem - Wikipedia

    en.wikipedia.org/wiki/Leap_year_problem

    The leap year problem (also known as the leap year bug or the leap day bug) is a problem for both digital (computer-related) and non-digital documentation and data storage situations which results from errors in the calculation of which years are leap years, or from manipulating dates without regard to the difference between leap years and common years.

  5. 11 Steps to Make Sure Your Tax Return Is Accepted by the IRS

    www.aol.com/11-steps-sure-tax-return-170949017.html

    Don’t forget to sign and date the return: Completing your tax return but neglecting to ... either through IRS Free File or by submitting Form 4868, Application for Automatic Extension of Time to ...

  6. Received A Math Error From The IRS? Here’s What To Do - AOL

    www.aol.com/received-math-error-irs-193304211.html

    TAS advises that the 60-day requirement does not “jump off the page,” is not sufficiently evident and does not include an exact date by which the taxpayer must respond.

  7. List of non-standard dates - Wikipedia

    en.wikipedia.org/wiki/List_of_non-standard_dates

    Microsoft Excel displays the day before January 1, 1900 (the earliest date it can represent) as January 0, 1900. [17] It also treats 1900 incorrectly as a leap year (whereas only centuries divisible by 400 are), so it displays the day before March 1, 1900 as the non-existent February 29 instead of February 28. This means March 1, 1900 is the ...

  8. Here’s Every 2024 Tax Deadline You Should Know - AOL

    www.aol.com/every-2024-tax-deadline-know...

    Although not occurring until next year, Jan. 15, 2025, is an important date for 2024 tax filers. This is the date that your final quarterly estimated tax payment is due for the 2024 tax year if ...

  9. Form 1040 - Wikipedia

    en.wikipedia.org/wiki/Form_1040

    Form 1040, officially, the U.S. Individual Income Tax Return, is an IRS tax form used for personal federal income tax returns filed by United States residents. The form calculates the total taxable income of the taxpayer and determines how much is to be paid to or refunded by the government.