The Winter Solstice, a solar term around December 21–23 and the longest night of the year, traditionally marked with family meals of dumplings or tangyuan.
This is a solar term (jiéqì) tied to the sun rather than the moon, so its Gregorian date can shift by up to one day each year.
Gregorian dates of Dongzhi for 2026–2045, computed with the same lunar engine MoonCal uses for its calendar subscriptions.
| Year | Gregorian date | Weekday |
|---|---|---|
| 2026 | 2026-12-22 | Tue |
| 2027 | 2027-12-22 | Wed |
| 2028 | 2028-12-21 | Thu |
| 2029 | 2029-12-21 | Fri |
| 2030 | 2030-12-22 | Sun |
| 2031 | 2031-12-22 | Mon |
| 2032 | 2032-12-21 | Tue |
| 2033 | 2033-12-21 | Wed |
| 2034 | 2034-12-22 | Fri |
| 2035 | 2035-12-22 | Sat |
| 2036 | 2036-12-21 | Sun |
| 2037 | 2037-12-21 | Mon |
| 2038 | 2038-12-22 | Wed |
| 2039 | 2039-12-22 | Thu |
| 2040 | 2040-12-21 | Fri |
| 2041 | 2041-12-21 | Sat |
| 2042 | 2042-12-22 | Mon |
| 2043 | 2043-12-22 | Tue |
| 2044 | 2044-12-21 | Wed |
| 2045 | 2045-12-21 | Thu |