In some cultures in the Northern Hemisphere, the astronomical March equinox (varying between 19 and 21 March) is taken to mark the first day of spring, and the Northern solstice (around 21 June) is taken as the first day of summer. In other traditions, the equinox is taken as mid-spring.
Circulation problems that cause dizziness. You may feel dizzy, faint or off balance if your heart isn't pumping enough blood to your brain. Causes include: 1  Drop in blood pressure.
Stress is one of the number one causes of dizziness. Over half the cases reported stress is the cause. When a person feels stressed most start to hyperventilate, which is caused by taking short shallow breaths. Taking breaths like this causes the arteries to contract.