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April 1980: lunisolar dates, rokuyō, sexagenary days

Day	Wd	Lunisolar	Rokuyō	Kanshi	Terms
1	Tue	M2 D16	Taian	甲辰
2	Wed	M2 D17	Shakkō	乙巳
3	Thu	M2 D18	Senshō	丙午
4	Fri	M2 D19	Tomobiki	丁未
5	Sat	M2 D20	Senbu	戊申	Seimei (Clear and bright) 00:15
6	Sun	M2 D21	Butsumetsu	己酉
7	Mon	M2 D22	Taian	庚戌
8	Tue	M2 D23	Shakkō	辛亥
9	Wed	M2 D24	Senshō	壬子
10	Thu	M2 D25	Tomobiki	癸丑
11	Fri	M2 D26	Senbu	甲寅
12	Sat	M2 D27	Butsumetsu	乙卯
13	Sun	M2 D28	Taian	丙辰
14	Mon	M2 D29	Shakkō	丁巳
15	Tue	M3 D1	Senbu	戊午
16	Wed	M3 D2	Butsumetsu	己未
17	Thu	M3 D3	Taian	庚申	Spring doyō begins 05:42
18	Fri	M3 D4	Shakkō	辛酉
19	Sat	M3 D5	Senshō	壬戌
20	Sun	M3 D6	Tomobiki	癸亥	Kokuu (Grain rain) 07:23
21	Mon	M3 D7	Senbu	甲子
22	Tue	M3 D8	Butsumetsu	乙丑
23	Wed	M3 D9	Taian	丙寅
24	Thu	M3 D10	Shakkō	丁卯
25	Fri	M3 D11	Senshō	戊辰
26	Sat	M3 D12	Tomobiki	己巳
27	Sun	M3 D13	Senbu	庚午
28	Mon	M3 D14	Butsumetsu	辛未
29	Tue	M3 D15	Taian	壬申
30	Wed	M3 D16	Shakkō	癸酉

Computed from the JPL DE421 ephemeris with Skyfield, in Japan Standard Time. The lunisolar dates follow the traditional Tenpō rules for reference only (the leap month around 2033 is disputed). Rokuyō and the sexagenary cycle are calendar customs, not predictions.

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Daily lunisolar date, rokuyō and sexagenary day for April 1980, with solar terms; 6 taian days and 5 butsumetsu days.