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Reki Yoko 2020

Summaries for Reki Yoko 2020 are as follows. All date and time are based on JCST (UTC + 9h).

  • Various holidays in 2020
    • Equinoxes in 2020 will be on March 20th and September 22nd.
    • With the Emperor's enthronement in 2019, the date of "Tennou Tanjou Bi" will be February 23rd from 2020.
    • From 2020, "Taiiku no Hi" will become "Sports no Hi". It is "the day to enjoy sports, grow mind to respect others, and hope to realize the healthy and energetic society".
    • Exclusively in 2020, the date of "Umi no Hi" will be July 23rd which is the day before the opening ceremony of the Tokyo Olympic Games, the date of "Sports no Hi" will be July 24th which is the day of the opening ceremony, and the date of "Yama no Hi" will be August 10th which is the day after the closing ceremony.
    • "Kenpou Kinen Bi" on May 3rd falls upon Sunday. Since "Midori no Hi" on May 4th and "Kodomo no Hi" on May 5th are also national holidays, May 6th which is Wednesday will be the holiday to be compensated for Sunday, May 3rd.
  • There are 2 solar eclipses in 2020.
    • There is an annular solar eclipse on June 21st. Partial eclipse is visible from all over Japan.
    • There is a total solar eclipse on December 14th-15th. It is not visible from Japan.
    Please check Reki Yoko or Local Prediction of Solar Eclipse for more information.

Getting information on Calendars

Calendars
Daily Calendar : Times of rising, transit, setting of Sun and Moon for major cities in Japan.
Monthly Calendar : Dates of 24 Solar Terms and phases of the Moon.
Yearly Calendar : Simple Calendar
Local Calendar : Times of rising, setting, transit of Sun and Moon for major cities in Japan
Sky Viewer / Frame Version
Starry sky viewer for major cities. Google Maps version is also available.
Koyomi Station
You can easily obtain astronomical data such as
 Times of rising, setting, transit of the Sun, the Moon, and planets;
 Altitude and Azimuth of the Sun, the Moon, and planets;
 Lunar Age.
Solar Eclipse
General circumstances and local prediction of Solar Eclipse
Lunar Eclipse
General circumstances and local prediction of Lunar Eclipse
Transit of Planet
General circumstances and local prediction of Transit of Mercury / Venus
Lunar Occultation of Planet
Local prediction of Lunar Occultation of Planet

Products

Reki Yoko
Calendar and Ephemeris
"Calendar and Ephemeris" Web Version

Other Resources (Japanese Only)

Topics / Reki Wiki
Rika Nenpyo, The Chronological Scientific Tables [external link]
Rare Materials Exhibition