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Reki Yoko

PDF Version (Japanese Only) PDFReiwa 4 (2022) | PDFReiwa 3 (2021) | PDFReiwa 2 (2020) | Others |

All date and time in Reki Yoko are based on Japan Central Standard Time (UTC + 9h).


National Holidays, Sundays

National Holidays, SundaysReiwa 4 (2022) | National Holidays, SundaysReiwa 3 (2021) | National Holidays, SundaysReiwa 2 (2020) |

While the Act on National Holidays (Cabinet Office Site link) defines Japanese National Holidays, it gives no definitive dates for "Shunbun no Hi" nor "Shuubun no Hi". We determine these dates using 24 Solar Terms and announce in Reki Yoko on the first Official gazette issued in February.

Some National Holidays are fixed to Monday. "Seijin no Hi" is on second Monday in January, "Umi no Hi" is on third Monday in July, "Keirou no Hi" is on third Monday in September, and "Sports no Hi" is on second Monday in October.

If a national holiday falls upon Sunday, The first day after that day excluding national holidays becomes a holiday. And a non-national holiday sandwiched by two National holidays becomes a holiday.


Solar Terms

Solar TermsReiwa 4 (2022) | Solar TermsReiwa 3 (2021) | Solar TermsReiwa 2 (2020) |

Times of 24 Solar Terms, "Doyou", "Nyuubai" and "Hangeshou" are those when ecliptic longitude of the Sun reaches the value in the Longitude column. "Setsubun" is the day before "Risshun". "Doyou" and "Higan" shows the start day of "Doyou" and "Higan" period, respectively.


Phases of the Moon

Phases of the MoonReiwa 4 (2022) | Phases of the MoonReiwa 3 (2021) | Phases of the MoonReiwa 2 (2020) |

Times of New Moon, First Quarter, Full Moon and Last Quarter are those when the difference between longitudes of the Moon and the Sun becomes 0°, 90°, 180° and 270°, respectively.


Sunrise and Sunset in Tokyo

Sunrise and Sunset in TokyoReiwa 4 (2022) | Sunrise and Sunset in TokyoReiwa 3 (2021) | Sunrise and Sunset in TokyoReiwa 2 (2020) |

Sunrise and sunset are times when the upper limb of the Sun touches the horizon at Azabu where Former Tokyo Astronomical Observatory located. Height of Azabu is not considered. Location of Tokyo is 139°44' 28.8869" East longitude and 35°39' 29.1572" North latitude.


Eclipses, Transit of planet

EclipsesReiwa 4 (2022) | EclipsesReiwa 3 (2021) | EclipsesReiwa 2 (2020) |

This is a list of local predictions of Solar Eclipses, Lunar Eclipses and Transit of planet for major cities in Japan. Location of Tokyo is mentioned above. Location of other cities are as follows.

Location of the cities
Name     East Longitude  North Latitude
Naha     127°40'        26°13'
Fukuoka  130°24'        33°35'
Kyoto    135°45'        35° 1'
Sendai   140°52'        38°16'
Sapporo  141°21'        43° 4'