Moon of Ramadan 1440:
The Astronomical New Moon (conjunction) is on May 4, 2019 (Saturday) at 22:47 GMT.
On May 4, there is no chance of sighting any where.
On May 5, there is very small possibility of moonsighting by high powered telescope in Australia, Middle-East, and Europe.
On May 5, Eastern Americas have small chance of seeing by human eye, and Western Americas have good chance of sighting.
On May 6, the moon can be easily seen in the whole world.
Image of the moon sighting:
Green Colour: Visible with naked eye
Blue Colour: Visible if perfect conditions
Grey Colour: Optical aid to find the moon
Red Colour: Moons seen with optical aid only