Winter 2025 Date In Canada Calendar. The astronomical start of winter begins with the winter solstice on saturday, december 21, 2025. Dates may vary for certain programs (education, common law, civil law, engineering, medicine, mba, master of health administration (mha),.
The following dates are sorted chronologically, beginning in january of 2025. Here are the equinox and solstice datesโplus, answers to common questions.