All 24 solar terms · 10/24
Summer Solstice 夏至 · Xiàzhì
Longest day of the year in the northern hemisphere. A northern saying runs 'dumplings at Dongzhi, noodles at Xiazhi' (冬至饺子夏至面), so cold noodles are a typical dish.
- Longitude of the Sun90°
- Jie / ZhongqiZhongqi (中气), a principal term: it fixes the months of the lunar calendar
- Sekki夏至 geshi
Summer Solstice: when it begins, 2026 to 2031
| 2026 | 21 June 2026, 16:25 | 21 June, 08:25 UTC |
|---|---|---|
| 2027 | 21 June 2027, 22:11 | 21 June, 14:11 UTC |
| 2028 | 21 June 2028, 04:02 | 20 June, 20:02 UTC |
| 2029 | 21 June 2029, 09:48 | 21 June, 01:48 UTC |
| 2030 | 21 June 2030, 15:31 | 21 June, 07:31 UTC |
| 2031 | 21 June 2031, 21:17 | 21 June, 13:17 UTC |
Its three kō in Japan
- 乃東枯 natsukarekusa karuru: Self-heal withers · 21 June 2027
- 菖蒲華 ayame hana saku: Irises bloom · 27 June 2027
- 半夏生 hange shōzu: Crow-dipper sprouts · 2 July 2027
Calculated from the Sun's apparent position (PyEphem), to about a minute. Names, meanings and customs after the Hong Kong Observatory, the National Astronomical Observatory of Japan and UNESCO.