The beginning of winter

The twenty-four seasons in the old calendar

• The beginning of spring
• Rainwater
• One of the twenty-four seasons in the lunar calendar
• The spring equinox
• Kiyoaki
• One of the twenty-four seasons in the lunar calendar
• The beginning of summer
• One of the twenty-four seasons in the lunar calendar
• One of the twenty-four seasons in the lunar calendar
• The summer solstice
• One of the twenty-four seasons in the lunar calendar
• One of the twenty-four seasons in the lunar calendar
• The beginning of fall
• One of the twenty-four seasons in the lunar calendar
• Dew
• The autumnal equinox
• Dew
• Marbled beef
• The beginning of winter
• Light snow
• Heavy snow
• Winter solstice
• The first half of midwinter
• The coldest season

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(りっとう) is the 19th of the twenty-four seasons in the old calendar at the beginning of winter. An October melody (from old calendar late September early October).

Sun celestial longitude is about November 7 in 定気法 spreading out now in time of 225 degrees. It is about November 6 in 恒気法 7/8 age (approximately 319.59 days) later from winter solstice. It is the day when it happens with the calendar, but loses it in the astronomy with the moment.

There is the meaning as the period, too and is from this day to the day before light snow in the next twenty-four seasons in the lunar calendar.

Table of contents

Characteristic

The day when a winter sign appears for the first time. "Winter mind begins to be made and finally illustrates by "a calendar manual" with cold water ゆれば 也". Actually, with the sign that seems to be still autumn in the time to enjoy of colored leaves still.

When I divide a season into a standard at the length of the night and day in the autumnal equinox and the middle of the winter solstice, it is at winter the day before at the beginning of spring from this day.

Date

Year	Date and time (UT)	Japan	China
1984	November 7 05:46	November 7	November 7
1985	November 7 11:29	November 7	November 7
1986	November 7 17:13	November 8	November 8
1987	November 7 23:06	November 8	November 8
1988	November 7 04:49	November 7	November 7
1989	November 7 10:34	November 7	November 7
1990	November 7 16:23	November 8	November 8
1991	November 7 22:08	November 8	November 8
1992	November 7 03:57	November 7	November 7
1993	November 7 09:46	November 7	November 7
1994	November 7 15:36	November 8	November 7
1995	November 7 21:36	November 8	November 8
1996	November 7 03:27	November 7	November 7
1997	November 7 09:15	November 7	November 7
1998	November 7 15:08	November 8	November 7
1999	November 7 20:58	November 8	November 8
2000	November 7 02:48	November 7	November 7
2001	November 7 08:37	November 7	November 7
2002	November 7 14:22	November 7	November 7
2003	November 7 20:13	November 8	November 8
2004	November 7 01:59	November 7	November 7
2005	November 7 07:42	November 7	November 7
2006	November 7 13:35	November 7	November 7
2007	November 7 19:24	November 8	November 8
2008	November 7 01:11	November 7	November 7
2009	November 7 06:56	November 7	November 7
2010	November 7 12:42	November 7	November 7
2011	November 7 18:35	November 8	November 8
2012	November 7 00:26	November 7	November 7
2013	November 7 06:14	November 7	November 7
2014	November 7 12:07	November 7	November 7
2015	November 7 17:59	November 8	November 8
2016	November 6 23:48	November 7	November 7
2017	November 7 05:38	November 7	November 7
2018	November 7 11:32	November 7	November 7
2019	November 7 17:24	November 8	November 8
2020	November 6 23:14	November 7	November 7
2021	November 7 04:59	November 7	November 7
2022	November 7 10:45	November 7	November 7
2023	November 7 16:35	November 8	November 8

The date of the beginning of winter day in moment (in the world) of the beginning of winter by 定気法 and Japan, China according to the table. It is nine hours later of this table at the time in Japan. ^{[1] [2]}

Year	Because I divided age by 4				The age that it is hard to establish (I step over the day)
	0	1	2	3	Ten minutes before and after the midnight
From 1600 to 1631	7th	7th	7th	8th	1631 (7-8 days),
From 1632 to 1667	7th	7th	7th	7th
From 1668 to 1699	6th	7th	7th	7th
From 1700 to 1731	7th	7th	8th	8th
From 1732 to 1763	7th	7th	7th	8th
From 1764 to 1799	7th	7th	7th	7th
From 1800 to 1831	7th	8th	8th	8th	1800 (7-8 days),
From 1832 to 1863	7th	7th	8th	8th	1833 (7-8 days),
From 1864 to 1895	7th	7th	7th	8th	1866 (7-8 days),
From 1896 to 1899	7th	7th	7th	7th
From 1900 to 1931	8th	8th	8th	8th
From 1932 to 1967	7th	8th	8th	8th	1965 (7-8 days),
From 1968 to 1999	7th	7th	8th	8th	1998 (7-8 days),
From 2000 to 2031	7th	7th	7th	8th	2031 (7-8 days),
From 2032 to 2067	7th	7th	7th	7th	2064 (6-7 days),
From 2068 to 2099	6th	7th	7th	7th	2097 (6-7 days),
From 2,100 years to 2,131 years	7th	7th	8th	8th	2130 (7-8 days),
From 2,132 years to 2,163 years	7th	7th	7th	8th	2163 (7-8 days),
From 2,164 years to 2,195 years	7th	7th	7th	7th
From 2,196 years to 2,199 years	6th	7th	7th	7th
From 2,200 years to 2,227 years	7th	8th	8th	8th
From 2,228 years to 2,263 years	7th	7th	8th	8th	2229 (7-8 days), 2262 (7-8 days),
From 2,264 years to 2,291 years	7th	7th	7th	8th
From 2,292 years to 2,299 years	7th	7th	7th	7th	2295 (7-8 days),
From 2,300 years to 2,327 years	8th	8th	8th	8th
From 2,328 years to 2,359 years	7th	8th	8th	8th
From 2,360 years to 2,391 years	7th	7th	8th	8th
From 2,392 years to 2,399 years	7th	7th	7th	8th

The beginning of winter until the 17th to the 24th century by the Gregorian calendar in Japan according to the table [³] [⁴] [⁵]. The beginning of winter of 2016 is November 7.

The excess from 365 days accumulates every year and understands a state reset in a leap year once in four years (age to be divisible with 4 for the next from the end of February inserted epagomenal days at the beginning of winter the top).

Most November 7 or November 8. For 1668 through 1696, I put the interval of 400 years from 2068 through 2096, and November 6 appears (because 2097 is near the border of the day, for 2,064 years, unsureness is left).

七十二候

七十二候 of the period of the beginning of winter is as follows.

I have the honor of being you for the first time

Mountain tea beginning open (saliva begins to come and opens): A sasanqua begins to bloom (Japan)

Water beginning ice (I do not begin to see it and freeze): Water begins to freeze (China)

Next has the honor of being you

地始凍 (ちはじめてこおる): The earth begins to freeze (Japan, China)

I have the honor of being you at an end

金盞香 (yellow oxeye fence): A flower of the narcissus blooms (Japan)

野鶏入水為蜃 (やけいみずにいりおおはまぐりとなる): A pheasant enters the sea and becomes the large clam (China)

Anteroposterior twenty-four seasons in the lunar calendar

Marbled → beginning of winter → light snow

Memorial day

• Rice confectionery industrial guilds of the whole country establish the beginning of winter as "the day of hail, the rice cracker" in 1985.

Footnote

[Help]

1. I convert it into each ^ National Astronomical Observatory calendar essential point age than a version in the world (1984 through 2016)
2. A theory is updated than a version in ^ 2009, but is almost not different with the precision of "the share".
3. For position estimation with the astrodynamics of the ^ present age, I do not necessarily accord with the description of the past calendar (instead with the precision of the share unit). A date might be mixed up about the future estimate (mainly from the unsureness of the leap second) (I anticipated the error of ten minutes, but probably am short at the end of the table).
4. I convert TT → UT after the ^ JPL HORIZONS Web-Interface (August 22, 2015 Ver 3.9.8) acquisition
5. A commentary and calculating formula of ΔT by ^ NASA

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