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Reki Yoko

List of Reki Yoko

Appendix 1: Latitude and longitude of cities in Reki Yoko

Since 2011, latitude and longitude of places in Reki Yoko have been adjusted to those in Local Calendar. History of the adopted values are as follows.

Related contents (Japanese Only) ) "Longitude and latitude in Ephemeris", "Update of Ephemeris, 2003"
Naha Fukuoka Kyoto Mitaka Tokyo Sendai Sapporo
History of adopted values of latitude and longitude
CityYear Long.Lat.Note
Naha 2011-127° 40'26° 13'World Geodetic System (Local Calendar; Height = 0)
2004-2010127° 43' 53.5"26° 13' 05.1"World Geodetic System (Bengadake, Naha; Height = 165.6m)
2002-2003127° 44' 00.2"26° 12' 51.0"Tokyo Datum (same as above)
Fukuoka 2011-130° 24'33° 35' World Geodetic System (Local Calendar; Height = 0)
2004-2010130° 25' 31.9"33° 37' 36.9"World Geodetic System (Former observatory of Kyushu University; Height = 11.0m)
-2003130° 25' 40.3"33° 37' 25.1"Tokyo Datum (same as above)
Kyoto 2011-135° 45'35° 01' World Geodetic System (Local Calendar; Height = 0)
2004-2010135° 47' 36.0"34° 59' 37.9"World Geodetic System (45cm telescope in Kazan Observatory; Height = 233.7m)
1964-2003135° 47' 46.2"34° 59' 26.3"Tokyo Datum (30cm telescope in Kazan Observatory; Height = 233.7m)
-1963135° 47' 45.3"34° 59' 26.5"Tokyo Datum (30cm telescope in Kazan Observatory; Height = 222m)
Mitaka 1965-1990139° 32' 23.8"35° 40' 15.7"Tokyo Datum (65cm telescope in Tokyo Observatory; Height = 68.2m)
Tokyo 2013-139° 44' 28.8869"35° 39' 29.1572"World Geodetic System (Former Great Transit Instrument in Tokyo Observatory located in Azabu; Height = 0)
2011-2012139° 44' 28.8759"35° 39' 29.1572"World Geodetic System(same as above)
2004-2010139° 44' 29.27"35° 39' 27.7"World Geodetic System (Former Great Transit Instrument in Tokyo Observatory located in Azabu; Height = 25.0m)
-2003139° 44' 40.9"35° 39' 16.0"Tokyo Datum (same as above)
Sendai 2011-140° 52'38° 16'World Geodetic System (Local Calendar; Height = 0)
2004-2010140° 50' 21.1"38° 15' 36.8"World Geodetic System (Transit Instrument in Tohoku University; Height = 153.0m)
1986-2003140° 50' 33.4"38° 15' 26.1"Tokyo Datum (same as above)
-1985140° 52' 33.1"38° 15' 03.8"Tokyo Datum (Telescope in Tohoku University; Height = 36.4m)
Sapporo 2011-141° 21'43° 04'World Geodetic System (Local Calendar; Height = 0)
2004-2010141° 21' 10.2"43° 02' 43.8"World Geodetic System (20cm telescope in Sapporo City Observatory; Height = 33m)
1964-2003141° 21' 23.5"43° 02' 35.0"Tokyo Datum (same as above)
-1963141° 20' 42.0"43° 04' 28.0"Tokyo Datum (11cm reflecting telescope in Hokkaido University)

Appendix 2: History of National Holidays in Reki Yoko

National holidays in Japan have been changed from time to time by the revision of Act on National Holidays. Some changes could not be reflected since the announcement of Reki Yoko always comes one year ahead.

Shouwa Heisei
History of National Holidays in Reki Yoko
promulgation (enforcement)summaryReki Yoko
July 20th, 1948 (same day) Act on National Holidays; Abolition of the Imperial decree 25, 1927; Total number of holidays is 9.  
June 25th, 1966 (same day) Added "Kenkoku Kinen no Hi" on the day provided by cabinet order, "Keirou no Hi" on September 15th, "Taiiku no Hi" on October 10th. since 1968
December 9th, 1966 (same day) Decided the date of "Kenkoku Kinen no Hi" to be February 11th. since 1968
April 12th, 1973 (same day) Added Article 3 paragraph 2; If a national holiday falls upon Sunday, The next day becomes a holiday. since 1989
December 27th, 1985 (same day) Added Article 3 paragraph 3; A non national holiday sandwiched by two National holidays becomes a holiday. since 1989
February 17th, 1989 (same day) Changed "Tennou Tanjyou Bi" to December 23rd; Added "Midori no Hi" on April 29th. Separately announced National Holidays in February 28th, 1989.
March 8th, 1995 (January 1st, 1996) Added "Umi no Hi" on July 20th. since 1997
October 21st, 1998 (January 1st, 2000) Changed "Seijin no Hi" to 2nd Monday in January; Changed "Taiiku no Hi" to 2nd Monday in October. since 2000
June 22nd, 2001 (January 1st, 2003) Changed "Umi no Hi" to 3rd Monday in July; Changed "Keirou no Hi" to 3rd Monday in September. since 2003
May 20th, 2005 (January 1st, 2007) Moved "Midori no Hi" to May 4th; Added "Shouwa no Hi" on April 29th; Revised Article 3 paragraph 2 and 3. since 2007
May 30th, 2014 (January 1st, 2016) Added "Yama no Hi" on August 11th. since 2016

Appendix 3: Old terms on solar and lunar eclipse

Old terms describing the circumstances for solar and lunar eclipse used before Reki Yoko 1970 are as follows.

Old terms describing the eclipse circumstances
Meaning Start of eclipseStart of total eclipseMaximum eclipseEnd of total eclipseEnd of eclipse
1971- 食の始め皆既の始め食の最大皆既の終り食の終り
-1970 初虧食既食甚生光復円