Also known as: 2019年, 平成31年, 令和1年, 令和元年
Either the image has the year '2019' written somewhere on it, or it makes a reference to the year 2019.
2019 was the Year Of The Pig.
In Japan, this is also the last year of Heisei Era and the first year of Reiwa Era.
Do not use if the year is only the date the image was made.