When Does Fasting Start?

It's easy to say "Peace Month overlaps with Ramadan" - but when does Ramadan start? If you are Muslim, it's easy to know from your mosque and community when Ramadan begins locally. Even then, there is variation between parts of the world. But for non-Muslims, it is tricky to know. Ramadan officially begins the evening of the first day of the lunar month. So publicity that "Ramadan begins on the 21st" may mean that the first day of fasting is the 22nd. Tonight I will go to sleep expecting to start the Peace Month fast tomorrow. Here in Stockholm, going without food & drink the first day runs from 1:30AM to 8:30PM; it promises to be a long day...