“‘Tis the Season to be Jolly! Fa la la la la, la la la la~” when this music fills the shops, we know it is that time of the year again! And in the UK, celebrations in anticipation for Christmas have already begun this 28 November!

Just like plants, we human beings also depend on sunlight for healthy living. Now that sunlight is getting shorted in supply, we need to put some effort into living happily and healthily.

Under the mild temperate marine climate, Northern Ireland is a cloudy and rainy region with a quite changeable weather. Although Northern Ireland does have four seasons, the distinction is not obvious. Belfast has an average temperature of 6.5°C in January, and in July its average temperature is 17.5°C.