It's an astronomical event, it's day of festivity since antiquity and and international day. How much do you really know about it? Let's put your knowledge to the test ...
The African nation of Burundi, largely due to its issues with poverty and violence, holds the unenviable position of coming in last on the 2018 World Happiness Report.
Answer: March Equinox
Though there are variations, the March equinox generally occurs on 20 March, with International Happiness Day adopting this date due to that event.
In the Northern Hemisphere, the vernal equinox marks the first day of Spring. However, in the Southern Hemisphere, this same date is the beginning of Fall.
Answer: Towards the Sun
The Northern Hemisphere starts to tilt toward the sun during its vernal equinox, which results in warmer temperatures and thus brings about the Spring season from Winter.
UN resolution 66/281 recognized well-being as a universal goal and aspiration alongside happiness.
The sun travels northward across the equator (from south to north) during the March equinox, while it does the opposite during its autumnal counterpart.
Answer: Equal day and night
On most of the Earth's latitudes, there is roughly an equal amount of day and night hours during an equinox.
Since its inception in 2017, the World Happiness Summit has taken place annually in Miami, Florida.
Vernal Equinox Day is a national holiday in Japan, which is marked by visiting the grave sites of relatives and holding family reunions.
Under resolution 66/281, the General Assembly of the United Nations officially proclaimed 20 March the International Day of Happiness on 12 July 2012.