Which is colder, beginning of spring or Great Cold?

The cold will be even colder. However, if the weather is very cold during the severe cold, the sun will shine brightly and the temperature will rise after the spring begins. If the weather is not very cold during the severe cold, it will still be cold in late spring even in early spring.

Which will be colder, Great Cold or beginning of spring?

The great cold solar term is not the coldest time. Literally, the severe cold solar term should be the lowest temperature in the whole year, but in fact, the temperature of the severe cold solar term is not the coldest time in the whole year. Although the oblique illumination is the most severe in winter, there is still heat accumulation on the surface since summer, and the heat stored on the surface is the least during the slight cold, so the weather is the coldest time in the slight cold solar terms.

Which will be colder, Great Cold or beginning of spring (1)?

Beginning of spring is the first solar term in spring, which indicates the establishment of spring, but the cold and warm conditions are generally affected by airflow. Although it has entered the spring climate since beginning of spring, there are often cold weather in late spring.