“The decisive first sighting of the young Moon could be on Thursday, April 23, 2020, since the young Moon will have moved every so slightly away from the Sun by the time of sunset. However, it’s still going to be very close to the Sun, and since it will also only 1% lit, it could be too difficult to find.”
-Jamie Carter, writing in Forbes, discusses the science behind sighting of the new moon that signals the start of the month of Ramadan. [Forbes]