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.
In slighest case your dizzy spells could be caused by migraine or blood pressure. Your symptoms are intense and can make you dangerous in the traffic for yourself and for the other. Next dizzy spell could be stronger compared to earlier ones and you might loose consciousness in the traffic.