The Year's Four Corners

Lavinia Greenlaw looks at key days in our calendar.


0101Winter Solstice20020916

The ancient burial site of Maes Howe in Orkney witnesses a remarkable solar effect on the shortest day.

0102Spring Equinox20020917

The Fal estuary in Cornwall is regularly flooded by high spring tides. With writer Philip Marsden.

0103Summer Solstice20020918

Blakeney Point on the Norfolk coast is home to countless breeding birds for a few weeks every summer.

0104 LASTAutumn Equinox20020919

The Severn Bore traditionally produces a miniature tidal wave in September.