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The real equality of day and night only happens in places far enough from the equator to have a seasonal difference in day length of at least 7 minutes, [30] actually occurring a few days towards the winter side of each equinox. One result of this is that, at latitudes below ±2.0 degrees, all the days of the year are longer than the nights. [31]
Twice per year: 2 per year Triannually: Thrice per year: 3 per year Quarterly: Every quarter: 4 per year Bimonthly: Every 2 months: 6 per year Semi-quarterly: Twice per quarter: 8 per year Monthly: Every month: 12 per year Semi-monthly: Twice per month: 24 per year Biweekly, Fortnightly: Every two weeks: 26 per year Weekly: Every week: 52 per ...
The dates of the solstice varies each year and may occur a day earlier or later depending on the time zone. Because the earth's orbit takes slightly longer than a calendar year of 365 days, the solstices occur slightly later each calendar year, until a leap day re-aligns the calendar with the orbit.
Birthdays are the most common type of anniversary, on which someone's birthdate is commemorated each year. The actual celebration is sometimes moved for practical reasons, as in the case of an official birthday or one falling on February 29. Wedding anniversaries are also often celebrated, on the same day of the year as the wedding occurred.
each, every (from Latin quaque) q15: every 15 minutes q6h q6° once every 6 hours q2wk: once every 2 weeks qAc Before every meal (from Latin quaque ante cibum) q.a.d. every other day (from Latin quaque altera die) QALY: quality-adjusted life year: q.AM: every day before noon (from Latin quaque die ante meridiem) q.d. every day (from Latin ...
Typically, the site is open to the public twice a year: once in April, and once in October. This year, budgetary constraints limited that to just one event. ... This year, all visitors will have ...
Recurring events which are or were held semiannually (twice per year). Subcategories. This category has only the following subcategory. B. Biannual publications (2 C)
A dimictic lake is a body of freshwater whose difference in temperature between surface and bottom layers becomes negligible twice per year, allowing all strata of the lake's water to circulate vertically. All dimictic lakes are also considered holomictic, a category which