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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. 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 ...

  4. 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]

  5. 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 ...

  6. 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 ...

  7. 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.

  8. This Calculator Reveals How Many Healthy Years You Have Left

    www.healthline.com/health/life-expectancy-calculator

    In an article for The Conversation, professor Jeyaraj Vadiveloo says that according to the research team’s estimate, a 60-year-old man who eats right, sleeps well, and stays within a healthy ...

  9. Perpetual calendar - Wikipedia

    en.wikipedia.org/wiki/Perpetual_calendar

    A 50-year "pocket calendar" that is adjusted by turning the dial to place the name of the month under the current year. One can then deduce the day of the week or the date. A perpetual calendar is a calendar valid for many years, usually designed to look up the day of the week for a given date in the past or future.