The first day of spring occurs on the spring equinox, which is also known as the March equinox or the vernal equinox.

Most people define the beginning of spring as the spring equinox (also called the vernal equinox, for those of you who like official terminology). It is defined as the moment the sun's most direct ...

By grouping the seasons by temperature, you’re also grouping the seasons more by common weather patterns. People often think of December as winter even though, technically, most of the month is fall.” ...

The sun is finally shining in London today, after weeks of grey skies and rain. The temperature in the capital is set to rise as high as 17C or 18C, warmer than cities such as Barcelona and Malaga.