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  2. Tropical year - Wikipedia

    en.wikipedia.org/wiki/Tropical_year

    The mean tropical year on January 1, 2000, was 365.242 189 7 or 365 ephemeris days, 5 hours, 48 minutes, 45.19 seconds. This changes slowly; an expression suitable for calculating the length of a tropical year in ephemeris days, between 8000 BC and 12000 AD is

  3. September equinox - Wikipedia

    en.wikipedia.org/wiki/September_equinox

    The Southward equinox was "New Year's Day" in the French Republican Calendar, which was in use from 1793 to 1805. The French First Republic was proclaimed and the French monarchy was abolished on September 21, 1792, making the following day (the equinox day that year) the first day of the "Republican Era" in France. The start of every year was ...

  4. Year - Wikipedia

    en.wikipedia.org/wiki/Year

    Because of the Earth's axial precession, this year is about 20 minutes shorter than the sidereal year. The mean tropical year is approximately 365 days, 5 hours, 48 minutes, 45 seconds, using the modern definition [13] (= 365.242 19 d × 86 400 s). The length of the tropical year varies a bit over thousands of years because the rate of axial ...

  5. Ephemeris time - Wikipedia

    en.wikipedia.org/wiki/Ephemeris_time

    The unit was redefined in terms of the tropical year at 1900.0 instead of the sidereal year; [12] and the standard second was defined first as 1/31556925.975 of the tropical year at 1900.0, [12] [14] and then as the slightly modified fraction 1/31556925.9747 instead, [15] finally being redefined in 1967/8 in terms of the cesium atomic clock ...

  6. List of Philippine typhoons (1900–1929) - Wikipedia

    en.wikipedia.org/wiki/List_of_Philippine_typhoons...

    The Philippines is an archipelagic country located in Southeast Asia, beside the northwest Pacific Ocean.The nation consists of 7,641 islands. The country is known to be "the most exposed country in the world to tropical storms", with about twenty tropical cyclones entering the Philippine area of responsibility each year.

  7. Climate of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Climate_of_the_Philippines

    The average year-round temperature measured from all the weather stations in the Philippines, except Baguio, is 26.6 °C (79.9 °F). Cooler days are usually felt in the month of January with temperature averaging at 25.5 °C (77.9 °F) and the warmest days, in the month of May with a mean of 28.3 °C (82.9 °F). [ 1 ]

  8. Philippines recovers from Typhoons Toraji, Yinxing as Usagi ...

    www.aol.com/weather/philippines-recovers-typhoon...

    Tropical Storm Man-yi now looks to track toward the west-northwest this weekend with landfall possible in Luzon on Sunday as a Category 3 hurricane equivalent (110-129 mph/178-207 km/h) on the ...

  9. Sidereal year - Wikipedia

    en.wikipedia.org/wiki/Sidereal_year

    The sidereal year is 20 min 24.5 s longer than the mean tropical year at J2000.0 (365.242 190 402 ephemeris days). [ 1 ] At present, the rate of axial precession corresponds to a period of 25,772 years, [ 3 ] so sidereal year is longer than tropical year by 1,224.5 seconds (20 min 24.5 s, ~365.24219*86400/25772).