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  2. Year-to-date - Wikipedia

    en.wikipedia.org/wiki/Year-to-date

    Contrast YTD with the concept of 12-months-ending (or Year-ending), which are more resistant to seasonal influences. Example: to calculate year-to-date Invoicing for a company, invoice totals for each previous month of the current year are added to total invoices for the current month to date. Example. Example: YTD Invoicing report for May 3

  3. Month-to-date - Wikipedia

    en.wikipedia.org/wiki/Month-to-date

    Month-to-date. Month-to-date ( MTD) is a period starting at the beginning of the current calendar month and ending on either the current date or the last business day before the current date. Month-to-date is used in many contexts, mainly for recording results of an activity in the time between a date (exclusive, since this day may not yet be ...

  4. Old Style and New Style dates - Wikipedia

    en.wikipedia.org/wiki/Old_Style_and_New_Style_dates

    The issue spans the changeover; the date heading reads: "From Tuesday September 1, O.S. to Saturday September 16, N.S. 1752". [1] Old Style ( O.S.) and New Style ( N.S.) indicate dating systems before and after a calendar change, respectively. Usually, they refer to the change from the Julian calendar to the Gregorian calendar as enacted in ...

  5. Julian day - Wikipedia

    en.wikipedia.org/wiki/Julian_day

    The Julian date (JD) of any instant is the Julian day number plus the fraction of a day since the preceding noon in Universal Time. Julian dates are expressed as a Julian day number with a decimal fraction added. [8] For example, the Julian Date for 00:30:00.0 UT January 1, 2013, is 2 456 293.520 833. [9]

  6. Pregnancy Due Date Calculator - WebMD

    www.webmd.com/baby/healthtool-due-date-calculator

    Enter Your Due Date: View my calendar. Don't know your due date? Use our Due Date Calculator to find out. Enter the first day of your last period to find out when your baby will arrive.

  7. How to Calculate Your Due Date - Healthline

    www.healthline.com/health/pregnancy/your-due-date

    Naegele’s rule involves a simple calculation: Add seven days to the first day of your LMP and then subtract three months. For example, if your LMP was November 1, 2017: Add seven days (November ...

  8. Ovulation Calculator & Calendar - Determine Your Most Fertile ...

    www.webmd.com/baby/healthtool-ovulation-calculator

    Ovulation usually happens 14 days before your next period begins, but it can vary from month to month -- even in women with regular cycles. To get a better sense of when you’re ovulating, chart ...

  9. Chinese Gender Predictor Tool: Boy or Girl? - Healthline

    www.healthline.com/health/baby/chinese-gender...

    Stories date use of this method back over 700 years, and claim a reputation for amazing accuracy – up to 90%. While we can’t guarantee the prediction will be correct, there is at least a 50/50 ...