1) April 18
2) April 17
3) April 16
4) April 19
Explanation:
On 19th April 2019, Christians all around the world celebrated Good Friday also known as Holy Friday or Black Friday.The day is observed every year in honor and remembrance of Jesus’s Crucifixion and Christians believe Jesus was crucified on Good Friday and rose again three days later which is marked as Easter.Many countries observe Good Friday as a national holiday on the Friday before Easter